1 | /**********************************************************************
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2 | *
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3 | * display.cpp -- Context sensitive macro language
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4 | * Copyright (C) 1999 The New Zealand Digital Library Project
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5 | *
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6 | * A component of the Greenstone digital library software
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7 | * from the New Zealand Digital Library Project at the
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8 | * University of Waikato, New Zealand.
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9 | *
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10 | * This program is free software; you can redistribute it and/or modify
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11 | * it under the terms of the GNU General Public License as published by
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12 | * the Free Software Foundation; either version 2 of the License, or
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13 | * (at your option) any later version.
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14 | *
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15 | * This program is distributed in the hope that it will be useful,
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16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 | * GNU General Public License for more details.
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19 | *
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20 | * You should have received a copy of the GNU General Public License
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21 | * along with this program; if not, write to the Free Software
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22 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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23 | *
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24 | *********************************************************************/
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25 |
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26 | #include "display.h"
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27 | #include "gsdlunicode.h"
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28 | #include "unitool.h"
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29 | #include <assert.h>
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30 |
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31 | // include to get NULL
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32 | #include <stdlib.h>
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33 |
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34 | text_t displayclass::defaultpackage = "Global";
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35 |
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36 | /////////////////////////////////////
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37 | // misc classes
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38 | /////////////////////////////////////
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39 |
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40 |
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41 | // precedencetype defines a 'precedence value' for each parameter
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42 | typedef map<text_t, double, lttext_t> precedencetype;
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43 |
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44 |
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45 |
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46 | inline bool operator==(const mvalue &x, const mvalue &y) {
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47 | return (x.filename==y.filename && x.value==y.value);
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48 | }
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49 |
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50 | inline bool operator<(const mvalue &x, const mvalue &y) {
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51 | return (x.filename<y.filename ||
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52 | (x.filename==y.filename && x.filename<y.filename));
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53 | }
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54 |
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55 |
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56 |
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57 | /////////////////////////////////////
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58 | // stuff for parammacros_t
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59 | /////////////////////////////////////
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60 |
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61 | typedef map<text_t, mvalue, lttext_t> defparammap;
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62 | typedef map<text_t, defparammap, lttext_t> defmacromap;
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63 | typedef map<text_t, defmacromap, lttext_t> defpackagemap;
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64 |
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65 | // all methods in parammacros_t assume the parameters
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66 | // and packages in a standard form and not empty
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67 | class parammacros_t
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68 | {
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69 | protected:
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70 | defpackagemap macros;
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71 |
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72 | public:
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73 | typedef defpackagemap::const_iterator const_package_iterator;
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74 | typedef defpackagemap::size_type package_size_type;
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75 |
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76 | // setmacro returns 0 if there was no error,
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77 | // -1 if it redefined a macro
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78 | // -2 if it hid a Global macro
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79 | // -3 if it redefined a macro and hid a Global macro
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80 | // -4 if either a package, macroname, or params were not supplied
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81 | int setmacro(const text_t &package,
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82 | const text_t ¯oname,
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83 | const text_t ¶ms,
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84 | const text_t &filename,
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85 | const text_t ¯ovalue);
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86 |
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87 | void delmacro(const text_t &package,
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88 | const text_t ¯oname,
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89 | const text_t ¶ms);
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90 |
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91 | void clear () {macros.erase(macros.begin(), macros.end());}
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92 |
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93 | // top level stuff
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94 | const_package_iterator package_begin () const {return macros.begin();}
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95 | const_package_iterator package_end () const {return macros.end();}
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96 | bool package_empty () const {return macros.empty();}
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97 | package_size_type package_size() const {return macros.size();}
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98 |
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99 | // methods to find things
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100 | defmacromap *package_find (const text_t &packagename);
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101 | defparammap *macro_find (const text_t &packagename,
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102 | const text_t ¯oname);
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103 | mvalue *parameter_find (const text_t &packagename,
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104 | const text_t ¯oname,
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105 | const text_t ¶metername);
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106 | };
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107 |
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108 |
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109 | // setmacro returns 0 if there was no error,
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110 | // -1 if it redefined a macro
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111 | // -2 if it hid a Global macro
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112 | // -3 if it redefined a macro and hid a Global macro
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113 | // -4 if either a package, macroname, or params were not supplied
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114 | int parammacros_t::setmacro(const text_t &package,
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115 | const text_t ¯oname,
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116 | const text_t ¶ms,
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117 | const text_t &filename,
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118 | const text_t ¯ovalue)
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119 | {
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120 | paramhashtype paramhash;
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121 |
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122 | defmacromap *macromapptr;
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123 | defparammap *parammapptr;
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124 | mvalue *mvalueptr;
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125 |
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126 | int warning = 0;
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127 |
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128 | // check to see if we would be hiding a Global macro with the
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129 | // same name. Note: it doesn't matter what parameters are used
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130 | // a Global macro will still be hid by a non-Global one with
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131 | // the same name.
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132 | if ((package != displayclass::defaultpackage) &&
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133 | (macro_find (displayclass::defaultpackage, macroname) != NULL))
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134 | {
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135 | warning -= 2; // found the macroname
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136 | }
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137 |
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138 | // define this macro
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139 | macromapptr = &(macros[package]); // -- package
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140 | parammapptr = &((*macromapptr)[macroname]); // -- macro name
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141 | // -- parameters
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142 | if ((*parammapptr).find(params) != (*parammapptr).end()) {
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143 | warning -= 1; // found the parameters
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144 | }
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145 | mvalueptr = &((*parammapptr)[params]);
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146 |
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147 | // -- value
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148 | (*mvalueptr).filename = filename;
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149 | (*mvalueptr).value = macrovalue;
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150 |
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151 | return warning;
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152 | }
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153 |
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154 | void parammacros_t::delmacro(const text_t &package,
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155 | const text_t ¯oname,
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156 | const text_t ¶ms)
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157 | {
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158 | // make sure everything was supplied
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159 | if (package.empty() || macroname.empty() || params.empty()) return;
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160 |
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161 | // find the package and macroname
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162 | defparammap *parammapptr = macro_find(package, macroname);
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163 | if (parammapptr == NULL) return;
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164 |
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165 | // find the parameters
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166 | defparammap::iterator parammapit = parammapptr->find(params);
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167 | if (parammapit == parammapptr->end()) return;
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168 |
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169 | // finally delete this element
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170 | parammapptr->erase(parammapit);
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171 | }
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172 |
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173 | defmacromap *parammacros_t::package_find (const text_t &packagename)
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174 | {
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175 | if (packagename.empty()) return NULL;
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176 |
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177 | defpackagemap::iterator it = macros.find(packagename);
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178 | if (it == macros.end()) return NULL;
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179 |
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180 | return &((*it).second);
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181 | }
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182 |
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183 | defparammap *parammacros_t::macro_find (const text_t &packagename,
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184 | const text_t ¯oname)
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185 | {
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186 | defmacromap *macromapptr = package_find(packagename);
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187 | if (macromapptr == NULL || macroname.empty()) return NULL;
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188 |
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189 | defmacromap::iterator it = (*macromapptr).find(macroname);
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190 | if (it == (*macromapptr).end()) return NULL;
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191 |
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192 | return &((*it).second);
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193 | }
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194 |
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195 | mvalue *parammacros_t::parameter_find (const text_t &packagename,
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196 | const text_t ¯oname,
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197 | const text_t ¶metername)
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198 | {
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199 | defparammap *parammapptr = macro_find(packagename, macroname);
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200 | if (parammapptr == NULL || parametername.empty()) return NULL;
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201 |
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202 | defparammap::iterator it = (*parammapptr).find(parametername);
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203 | if (it == (*parammapptr).end()) return NULL;
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204 |
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205 | return &((*it).second);
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206 | }
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207 |
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208 |
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209 |
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210 | /////////////////////////////////////
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211 | // stuff for currentmacros_t
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212 | /////////////////////////////////////
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213 |
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214 | typedef map<text_t, mvalue, lttext_t> curmacromap;
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215 | typedef map<text_t, curmacromap, lttext_t> curpackagemap;
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216 |
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217 | // all methods in currentmacros_t assume the parameters
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218 | // and packages in a standard form and not empty
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219 | class currentmacros_t
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220 | {
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221 | protected:
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222 | curpackagemap macros;
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223 |
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224 | public:
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225 | typedef curpackagemap::const_iterator const_package_iterator;
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226 | typedef curpackagemap::size_type package_size_type;
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227 |
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228 | // setmacro returns 0 if there was no error,
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229 | // -1 if it redefined a macro
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230 | // -4 if either a package, or macroname were not supplied
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231 | int setmacro(const text_t &package,
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232 | const text_t ¯oname,
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233 | const text_t &filename,
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234 | const text_t ¯ovalue);
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235 |
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236 | void delmacro(const text_t &package,
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237 | const text_t ¯oname);
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238 |
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239 | void clear () {macros.erase(macros.begin(), macros.end());}
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240 |
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241 | // top level stuff
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242 | const_package_iterator package_begin () const {return macros.begin();}
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243 | const_package_iterator package_end () const {return macros.end();}
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244 | bool package_empty () const {return macros.empty();}
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245 | package_size_type package_size() const {return macros.size();}
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246 |
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247 | // methods to find things
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248 | curmacromap *package_find (const text_t &packagename);
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249 | mvalue *macro_find (const text_t &packagename,
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250 | const text_t ¯oname);
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251 | };
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252 |
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253 |
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254 | // setmacro returns 0 if there was no error,
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255 | // -1 if it redefined a macro
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256 | // -4 if either a package, or macroname were not supplied
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257 | int currentmacros_t::setmacro(const text_t &package,
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258 | const text_t ¯oname,
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259 | const text_t &filename,
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260 | const text_t ¯ovalue)
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261 | {
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262 | int warning = 0;
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263 |
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264 | // make sure everything was supplied
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265 | if (package.empty() || macroname.empty()) return -4;
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266 |
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267 | // define this macro
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268 | curmacromap *macromapptr = &(macros[package]);
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269 | if ((*macromapptr).find(macroname) != (*macromapptr).end())
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270 | {
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271 | warning -= 1; // found the macroname
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272 | }
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273 | mvalue *mvalueptr = &((*macromapptr)[macroname]);
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274 |
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275 | // -- value
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276 | (*mvalueptr).filename = filename;
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277 | (*mvalueptr).value = macrovalue;
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278 |
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279 | return warning;
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280 | }
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281 |
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282 | void currentmacros_t::delmacro(const text_t &package,
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283 | const text_t ¯oname)
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284 | {
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285 | // make sure everything was supplied
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286 | if (package.empty() || macroname.empty()) return;
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287 |
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288 | // find the package
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289 | curmacromap *macromapptr = package_find(package);
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290 | if (macromapptr == NULL) return;
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291 |
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292 | // find the macroname
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293 | curmacromap::iterator macromapit = macromapptr->find(macroname);
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294 | if (macromapit == macromapptr->end()) return;
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295 |
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296 | // finally delete this element
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297 | macromapptr->erase(macromapit);
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298 | }
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299 |
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300 | curmacromap *currentmacros_t::package_find (const text_t &packagename)
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301 | {
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302 | if (packagename.empty()) return NULL;
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303 |
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304 | curpackagemap::iterator it = macros.find(packagename);
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305 | if (it == macros.end()) return NULL;
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306 |
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307 | return &((*it).second);
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308 | }
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309 |
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310 | mvalue *currentmacros_t::macro_find (const text_t &packagename,
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311 | const text_t ¯oname)
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312 | {
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313 | curmacromap *macromapptr = package_find(packagename);
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314 | if (macromapptr == NULL || macroname.empty()) return NULL;
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315 |
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316 | curmacromap::iterator it = (*macromapptr).find(macroname);
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317 | if (it == (*macromapptr).end()) return NULL;
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318 |
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319 | return &((*it).second);
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320 | }
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321 |
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322 |
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323 |
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324 |
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325 | /////////////////////////////////////
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326 | // support functions
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327 | /////////////////////////////////////
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328 |
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329 | // this calculation of precedence will make one occurance of a high
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330 | // precedence item override many occurances of lower precedence items
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331 | void calcprecedence (const text_t &precedstr, precedencetype &precedhash)
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332 | {
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333 | text_t param;
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334 | double multiple = 5.0;
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335 | double nextprec = multiple;
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336 |
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337 | text_t::const_iterator here, end;
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338 |
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339 | // set precedhash to an empty hash
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340 | precedhash.erase(precedhash.begin(), precedhash.end());
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341 |
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342 | // iterate through paramstring ignoring space and extracting
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343 | // out key value pairs.
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344 | here = precedstr.begin();
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345 | end = precedstr.end();
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346 | while (here != end)
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347 | {
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348 | // get the next parameter
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349 | param.clear(); // set param to an empty string
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350 |
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351 | while (here != end)
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352 | {
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353 | if (*here == ',')
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354 | {
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355 | // found the end of the parameter
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356 | ++here;
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357 | break;
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358 | }
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359 | else if (*here == ' ')
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360 | {
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361 | // do nothing (ignore spaces)
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362 | }
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363 | else
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364 | {
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365 | // character in parameter
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366 | param.push_back (*here); // copy this character
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367 | }
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368 |
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369 | ++here;
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370 | }
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371 |
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372 | // if a parameter was found insert its value
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373 | if (!param.empty())
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374 | {
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375 | precedhash[param] = nextprec;
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376 | nextprec *= multiple;
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377 | }
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378 | }
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379 | }
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380 |
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381 |
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382 | // decides how specific any given parameter is to the page parameters. Returns
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383 | // negative if any options are different or else the sum of the precedence for
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384 | // the options which match.
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385 | double getspecificness(const paramhashtype &pageparams,
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386 | const paramhashtype &theseparams,
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387 | const precedencetype &precedhash)
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388 | {
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389 | double specificness = 0.0;
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390 | paramhashtype::const_iterator here, pagevalueit;
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391 | precedencetype::const_iterator precedit;
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392 | text_t thesekey, thesevalue, constignore("ignore");
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393 |
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394 | here = theseparams.begin();
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395 | while (here != theseparams.end())
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396 | {
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397 | thesekey = (*here).first;
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398 | thesevalue = (*here).second;
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399 |
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400 | if (thesekey == constignore)
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401 | {
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402 | // do nothing, this is a placeholder
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403 | }
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404 | else
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405 | {
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406 | pagevalueit = pageparams.find(thesekey);
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407 | if ((pagevalueit != pageparams.end()) &&
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408 | ((*pagevalueit).second == thesevalue))
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409 | {
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410 | // this parameter fits, add its precedence value
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411 | precedit = precedhash.find(thesekey);
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412 | if (precedit == precedhash.end())
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413 | specificness += 1.0; // no precedence defined
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414 | else
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415 | specificness += (*precedit).second;
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416 | }
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417 | else
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418 | {
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419 | return -1.0; // did not match
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420 | }
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421 | }
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422 |
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423 | ++here;
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424 | }
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425 |
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426 | return specificness;
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427 | }
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428 |
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429 |
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430 | void splitparams (const text_t ¶mstring, paramhashtype ¶mhash)
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431 | {
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432 | text_t key;
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433 | text_t value;
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434 |
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435 | text_t::const_iterator here, end;
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436 |
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437 | // set paramhash to an empty hash
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438 | paramhash.erase(paramhash.begin(), paramhash.end());
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439 |
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440 | // iterate through paramstring ignoring space and extracting
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441 | // out key value pairs.
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442 | here = paramstring.begin();
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443 | end = paramstring.end();
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444 | while (here != end)
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445 | {
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446 | // reset key and value
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447 | key.clear();
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448 | value.clear();
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449 |
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450 | // get key
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451 | while (here != end)
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452 | {
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453 | if (*here == ',')
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454 | {
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455 | // have a key with no value
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456 | break;
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457 | }
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458 | else if (*here == '=')
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459 | {
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460 | // found the end of the key
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461 | ++here;
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462 | break;
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463 | }
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464 | else if (*here == ' ')
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465 | {
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466 | // do nothing (ignore spaces)
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467 | }
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468 | else
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469 | {
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470 | // character in key
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471 | key.push_back (*here); // copy this character
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472 | }
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473 | ++here;
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474 | }
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475 |
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476 | // get value
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477 | while (here != end)
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478 | {
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479 | if (*here == '=')
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480 | {
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481 | // multiple values for one key, ignore previous
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482 | // values
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483 | value.clear();
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484 | }
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485 | else if (*here == ',')
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486 | {
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487 | // found the end of the value
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488 | ++here;
|
---|
489 | break;
|
---|
490 | }
|
---|
491 | else if (*here == ' ')
|
---|
492 | {
|
---|
493 | // do nothing (ignore spaces)
|
---|
494 | }
|
---|
495 | else
|
---|
496 | {
|
---|
497 | // character in value
|
---|
498 | value.push_back (*here); // copy this character
|
---|
499 | }
|
---|
500 | ++here;
|
---|
501 | }
|
---|
502 |
|
---|
503 | // if a key was found insert the key/value pair in
|
---|
504 | // the map
|
---|
505 | if (!key.empty())
|
---|
506 | {
|
---|
507 | paramhash[key] = value;
|
---|
508 | }
|
---|
509 | }
|
---|
510 | }
|
---|
511 |
|
---|
512 |
|
---|
513 | void joinparams (const paramhashtype ¶mhash, text_t ¶mstring)
|
---|
514 | {
|
---|
515 | //set paramstring to an empty string
|
---|
516 | paramstring.clear();
|
---|
517 |
|
---|
518 | //iterate through the paramhash
|
---|
519 | paramhashtype::const_iterator thepair;
|
---|
520 | int firstparam = 1;
|
---|
521 |
|
---|
522 | for (thepair=paramhash.begin();thepair!=paramhash.end(); ++thepair)
|
---|
523 | {
|
---|
524 | if (!firstparam) paramstring.push_back(',');
|
---|
525 | firstparam = 0;
|
---|
526 |
|
---|
527 | // insert pairs of "key=value"
|
---|
528 | text_t thevalue;
|
---|
529 | paramstring.append((*thepair).first);
|
---|
530 | paramstring.push_back('=');
|
---|
531 | paramstring.append((*thepair).second);
|
---|
532 | }
|
---|
533 | }
|
---|
534 |
|
---|
535 |
|
---|
536 |
|
---|
537 | /////////////////////////////////////
|
---|
538 | // parsing support functions
|
---|
539 | /////////////////////////////////////
|
---|
540 |
|
---|
541 | inline int my_isalpha (unsigned short c)
|
---|
542 | {
|
---|
543 | return ((c >= 'A' && c <= 'Z') ||
|
---|
544 | (c >= 'a' && c <= 'z'));
|
---|
545 | }
|
---|
546 |
|
---|
547 | inline int my_isalphanum (unsigned short c)
|
---|
548 | {
|
---|
549 | return ((c >= 'A' && c <= 'Z') ||
|
---|
550 | (c >= 'a' && c <= 'z') || (c >='0' && c <= '9'));
|
---|
551 | }
|
---|
552 |
|
---|
553 |
|
---|
554 |
|
---|
555 | inline unsigned short my_ttnextchar (text_t::const_iterator &here,
|
---|
556 | text_t::const_iterator &end)
|
---|
557 | {
|
---|
558 | if (here != end)
|
---|
559 | {
|
---|
560 | ++here;
|
---|
561 | if (here != end) return (*here);
|
---|
562 | }
|
---|
563 | return '\0';
|
---|
564 | }
|
---|
565 |
|
---|
566 |
|
---|
567 |
|
---|
568 | /////////////////////////////////////
|
---|
569 | // methods for display
|
---|
570 | /////////////////////////////////////
|
---|
571 |
|
---|
572 | // public methods for display
|
---|
573 |
|
---|
574 | displayclass::displayclass ()
|
---|
575 | {
|
---|
576 | defaultmacros = new parammacros_t;
|
---|
577 | collectionmacros = new parammacros_t;
|
---|
578 | defaultfiles = new fileinfomap;
|
---|
579 |
|
---|
580 | orderparamlist = new paramspeclist;
|
---|
581 | currentmacros = new currentmacros_t;
|
---|
582 |
|
---|
583 | outc = NULL;
|
---|
584 |
|
---|
585 | logout = NULL;
|
---|
586 |
|
---|
587 | /* this is a bit of a hack, but if the displayclass has never seen this
|
---|
588 | parameter before when it does openpage() then macros with this set will
|
---|
589 | always be ignored. And we set collection-specific macros after doing
|
---|
590 | openpage() - jrm */
|
---|
591 | allparams.insert("l=en");
|
---|
592 | }
|
---|
593 |
|
---|
594 |
|
---|
595 | displayclass::~displayclass ()
|
---|
596 | {
|
---|
597 | delete defaultmacros;
|
---|
598 | delete collectionmacros;
|
---|
599 | delete defaultfiles;
|
---|
600 |
|
---|
601 | delete orderparamlist;
|
---|
602 | delete currentmacros;
|
---|
603 | }
|
---|
604 |
|
---|
605 | // setdefaultmacro adds an entry to the list of default macros
|
---|
606 | // returns 0 if there was no error,
|
---|
607 | // -1 if it redefined a macro
|
---|
608 | // -2 if it hid a Global macro
|
---|
609 | // -3 if it redefined a macro and hid a Global macro
|
---|
610 | // -4 if no macroname was supplied
|
---|
611 | int displayclass::setdefaultmacro (const text_t &package, const text_t ¯oname,
|
---|
612 | const text_t &mparams, const text_t ¯ovalue)
|
---|
613 | {
|
---|
614 | return setdefaultmacro (package, macroname, mparams, "memory", macrovalue);
|
---|
615 | }
|
---|
616 |
|
---|
617 |
|
---|
618 |
|
---|
619 | // as we are using one character lookahead the
|
---|
620 | // value of line might be off by one.
|
---|
621 | // the input file must be in the utf-8 or unicode format
|
---|
622 | // initially for each file isunicode should be set to 0 and
|
---|
623 | // bigendian should be set to 1
|
---|
624 | // 0 will be returned when the end of the file has been found
|
---|
625 | unsigned short my_uni_get (/*unistream*/ifstream &fin, int &line,
|
---|
626 | int &isunicode, int &bigendian) {
|
---|
627 | unsigned short c = 0;
|
---|
628 |
|
---|
629 | if (isunicode) {
|
---|
630 | // unicode text
|
---|
631 | // get the next two characters
|
---|
632 | unsigned char c1 = 0, c2 = 0;
|
---|
633 |
|
---|
634 | if (!fin.eof()) c1=fin.get();
|
---|
635 | if (!fin.eof()) c2=fin.get();
|
---|
636 | else c1 = 0;
|
---|
637 |
|
---|
638 | // if they indicate the order get the next character
|
---|
639 | // otherwise just get these characters
|
---|
640 | if (c1 == 0xff && c2 == 0xfe) {
|
---|
641 | bigendian = 0;
|
---|
642 | c = my_uni_get (fin, line, isunicode, bigendian);
|
---|
643 | } else if (c1 == 0xfe && c2 == 0xff) {
|
---|
644 | bigendian = 1;
|
---|
645 | c = my_uni_get (fin, line, isunicode, bigendian);
|
---|
646 | } else c = (bigendian) ? (c1*256+c2) : (c2*256+c1);
|
---|
647 |
|
---|
648 | } else {
|
---|
649 | // utf-8 text
|
---|
650 | // how many characters we get depends on what we find
|
---|
651 | unsigned char c1 = 0, c2 = 0, c3 = 0;
|
---|
652 | while (!fin.eof()) {
|
---|
653 | c1=fin.get();
|
---|
654 | if (c1 == 0xfe || c1 == 0xff) {
|
---|
655 | // switch to unicode
|
---|
656 | isunicode = 1;
|
---|
657 | if (!fin.eof()) c2=fin.get();
|
---|
658 |
|
---|
659 | if (c1 == 0xff && c2 == 0xfe) bigendian = 0;
|
---|
660 | else bigendian = 1;
|
---|
661 |
|
---|
662 | c = my_uni_get (fin, line, isunicode, bigendian);
|
---|
663 | break;
|
---|
664 |
|
---|
665 | } else if (c1 <= 0x7f) {
|
---|
666 | // one byte character
|
---|
667 | c = c1;
|
---|
668 | break;
|
---|
669 |
|
---|
670 | } else if (c1 >= 0xc0 && c1 <= 0xdf) {
|
---|
671 | // two byte character
|
---|
672 | if (!fin.eof()) c2=fin.get();
|
---|
673 | c = ((c1 & 0x1f) << 6) + (c2 & 0x3f);
|
---|
674 | break;
|
---|
675 |
|
---|
676 | } else if (c1 >= 0xe0 && c1 <= 0xef) {
|
---|
677 | // three byte character
|
---|
678 | if (!fin.eof()) c2=fin.get();
|
---|
679 | if (!fin.eof()) c3=fin.get();
|
---|
680 | c = ((c1 & 0xf) << 12) + ((c2 & 0x3f) << 6) + (c3 & 0x3f);
|
---|
681 | break;
|
---|
682 | }
|
---|
683 |
|
---|
684 | // if we get here there was an error in the file, we should
|
---|
685 | // be able to recover from it however, maybe the file is in
|
---|
686 | // another encoding
|
---|
687 | }
|
---|
688 | }
|
---|
689 |
|
---|
690 | if (c == '\n') ++line;
|
---|
691 | return c;
|
---|
692 | }
|
---|
693 |
|
---|
694 |
|
---|
695 |
|
---|
696 | // loads a macro file into the specified macrotable datastructure
|
---|
697 | // returns 0 if didn't need to load the file (it was already loaded)
|
---|
698 | // 1 if was (re)loaded
|
---|
699 | // -1 an error occurred while trying to load the file
|
---|
700 | int displayclass::loadparammacros (parammacros_t* macrotable, const text_t &thisfilename) {
|
---|
701 | // convert the filename to a C string
|
---|
702 | char *filenamestr = thisfilename.getcstr();
|
---|
703 | outconvertclass text_t2ascii;
|
---|
704 |
|
---|
705 | // see if we need to open this file -- this isn't implemented yet
|
---|
706 |
|
---|
707 | // open the file
|
---|
708 | // unistream fin (filenamestr);
|
---|
709 | ifstream fin (filenamestr);
|
---|
710 |
|
---|
711 | if (fin.fail()) return -1; // read failed
|
---|
712 |
|
---|
713 | text_t package = defaultpackage;
|
---|
714 | int line = 1;
|
---|
715 | int isunicode = 0, bigendian = 1;
|
---|
716 |
|
---|
717 | // pre-fetch the next character
|
---|
718 | unsigned short c = my_uni_get(fin, line, isunicode, bigendian);
|
---|
719 |
|
---|
720 | text_t macropackage, macroname, macroparameters, macrovalue;
|
---|
721 | int err; // for keeping track of whether an error occurred somewhere
|
---|
722 |
|
---|
723 | while (!fin.eof()) {
|
---|
724 | // expect: white space, comment, "package", or macroname
|
---|
725 | if (is_unicode_space(c)) {
|
---|
726 | // found some white-space
|
---|
727 | c = my_uni_get(fin, line, isunicode, bigendian);
|
---|
728 |
|
---|
729 | } else if (c == '#') {
|
---|
730 | // found the start of a comment
|
---|
731 | // skip all characters up to the end of the line
|
---|
732 | c = my_uni_get(fin, line, isunicode, bigendian); // skip the '#'
|
---|
733 | while (!fin.eof ()) {
|
---|
734 | if (c == '\n') break;
|
---|
735 | c = my_uni_get(fin, line, isunicode, bigendian);
|
---|
736 | }
|
---|
737 |
|
---|
738 | } else if (c == 'p') {
|
---|
739 | // found the start of 'package' (hopefully)
|
---|
740 | // get everything up to the next space
|
---|
741 | text_t tmp;
|
---|
742 | while (!fin.eof() && my_isalpha(c)) {
|
---|
743 | tmp.push_back(c);
|
---|
744 | c = my_uni_get(fin, line, isunicode, bigendian);
|
---|
745 | }
|
---|
746 | // see if we have a package name
|
---|
747 | if (tmp == "package") {
|
---|
748 | // skip all white space
|
---|
749 | while (!fin.eof() && is_unicode_space(c))
|
---|
750 | c = my_uni_get(fin, line, isunicode, bigendian);
|
---|
751 |
|
---|
752 | // get the package name
|
---|
753 | tmp.clear(); // init tmp
|
---|
754 | while (!fin.eof() && my_isalphanum(c)) {
|
---|
755 | tmp.push_back(c);
|
---|
756 | c = my_uni_get(fin, line, isunicode, bigendian);
|
---|
757 | }
|
---|
758 | package = tmp;
|
---|
759 | if (package.empty()) package = defaultpackage;
|
---|
760 |
|
---|
761 | } else {
|
---|
762 | // error
|
---|
763 | if (logout != NULL) {
|
---|
764 | (*logout) << text_t2ascii << text_t("Expected 'package' on line ") + line + text_t(" of ") + thisfilename + "\n";
|
---|
765 | }
|
---|
766 | }
|
---|
767 |
|
---|
768 | } else if (c == '_') {
|
---|
769 | // found the start of a macro (hopefully)
|
---|
770 | c = my_uni_get(fin, line, isunicode, bigendian); // skip the _
|
---|
771 |
|
---|
772 | // init variables
|
---|
773 | err = 0;
|
---|
774 | macropackage = package;
|
---|
775 | macroname.clear(); // init macroname
|
---|
776 | macroparameters.clear(); // init macroname
|
---|
777 | macrovalue.clear(); // init macroname
|
---|
778 |
|
---|
779 | // get the macro name
|
---|
780 | while ((!fin.eof()) && (!is_unicode_space(c)) &&
|
---|
781 | (c != '\\') && (c != '_') &&(c != ':') &&
|
---|
782 | (macroname.size() < 80)) {
|
---|
783 | macroname.push_back(c);
|
---|
784 | c = my_uni_get(fin, line, isunicode, bigendian);
|
---|
785 | }
|
---|
786 |
|
---|
787 | if (c == ':') {
|
---|
788 | // we actually had the macro package
|
---|
789 | c = my_uni_get(fin, line, isunicode, bigendian); // skip :
|
---|
790 | macropackage = macroname;
|
---|
791 | macroname.clear ();
|
---|
792 |
|
---|
793 | // get the macro name (honest!)
|
---|
794 | while ((!fin.eof()) && (!is_unicode_space(c)) &&
|
---|
795 | (c != '\\') && (c != '_') &&(c != ':') &&
|
---|
796 | (macroname.size() < 80)) {
|
---|
797 | macroname.push_back(c);
|
---|
798 | c = my_uni_get(fin, line, isunicode, bigendian);
|
---|
799 | }
|
---|
800 | }
|
---|
801 |
|
---|
802 | if (!err && c == '_') {
|
---|
803 | c = my_uni_get(fin, line, isunicode, bigendian); // skip the _
|
---|
804 |
|
---|
805 | // skip all white space
|
---|
806 | while (!fin.eof() && is_unicode_space(c)) c = my_uni_get(fin, line, isunicode, bigendian);
|
---|
807 | } else if (!err) err = 1;
|
---|
808 |
|
---|
809 | // get the macro parameters (optional)
|
---|
810 | if (!err && c == '[') {
|
---|
811 | c = my_uni_get(fin, line, isunicode, bigendian); // skip the [
|
---|
812 | while ((!fin.eof()) && (c != '\n') && (c != '\\') && (c != ']')) {
|
---|
813 | macroparameters.push_back(c);
|
---|
814 | c = my_uni_get(fin, line, isunicode, bigendian);
|
---|
815 | }
|
---|
816 |
|
---|
817 | if (c == ']') {
|
---|
818 | c = my_uni_get(fin, line, isunicode, bigendian); // skip the ]
|
---|
819 |
|
---|
820 | // skip all white space
|
---|
821 | while (!fin.eof() && is_unicode_space(c)) c = my_uni_get(fin, line, isunicode, bigendian);
|
---|
822 | }
|
---|
823 | else if (!err) err = 2;
|
---|
824 | }
|
---|
825 |
|
---|
826 | // get the macro value
|
---|
827 | if (!err && c == '{') {
|
---|
828 | c = my_uni_get(fin, line, isunicode, bigendian); // skip the {
|
---|
829 | while ((!fin.eof()) && (c != '}')) {
|
---|
830 | if (c == '\\') {
|
---|
831 | macrovalue.push_back(c); // keep the '\'
|
---|
832 | c = my_uni_get(fin, line, isunicode, bigendian); // store the *next* value regardless
|
---|
833 | if (!fin.eof()) macrovalue.push_back(c);
|
---|
834 | c = my_uni_get(fin, line, isunicode, bigendian);
|
---|
835 | }
|
---|
836 | // DL CONSULTING FIX: Fix bug where the end of the macro definition would be missed if a backslash
|
---|
837 | // was the second-to-last character of the macro. [Michael Dewsnip, DL Consulting Ltd.]
|
---|
838 | else
|
---|
839 | {
|
---|
840 | macrovalue.push_back(c);
|
---|
841 | c = my_uni_get(fin, line, isunicode, bigendian);
|
---|
842 | }
|
---|
843 | }
|
---|
844 |
|
---|
845 | if (c == '}') {
|
---|
846 | c = my_uni_get(fin, line, isunicode, bigendian); // skip the }
|
---|
847 |
|
---|
848 | // define the macro
|
---|
849 | err = setparammacro (macrotable, macropackage, macroname, macroparameters,
|
---|
850 | thisfilename, macrovalue);
|
---|
851 | if ((err == -1 || err == -3) && logout != NULL) {
|
---|
852 | (*logout) << text_t2ascii << ("Warning: redefinition of _" + package + ":" + macroname + "_[" + macroparameters + "] on line " + line + " of " + thisfilename + "\n");
|
---|
853 |
|
---|
854 | } else if (err == -2 && logout != NULL) {
|
---|
855 | // I don't think we really want this warning since it's a very
|
---|
856 | // common occurance - Stefan.
|
---|
857 |
|
---|
858 | // (*logout) << text_t2ascii << "Warning: _" <<
|
---|
859 | // package << ":" << macroname << "_[" << macroparameters <<
|
---|
860 | // "] on line ";
|
---|
861 | // (*logout) << line;
|
---|
862 | // (*logout) << text_t2ascii << " of " <<
|
---|
863 | // thisfilename << " hides a Global macro with the same name\n";
|
---|
864 |
|
---|
865 | } else if (err == -4 && logout != NULL) {
|
---|
866 | (*logout) << text_t2ascii << text_t("Error: macro name expected on line ") + line + text_t(" of ") + thisfilename + "\n";
|
---|
867 | }
|
---|
868 |
|
---|
869 | err = 0; // for the test below
|
---|
870 | }
|
---|
871 | else if (!err) err = 3;
|
---|
872 | }
|
---|
873 | else if (!err) err = 4;
|
---|
874 |
|
---|
875 | if (err) {
|
---|
876 | // found an error, skip to the end of the line
|
---|
877 | if (logout != NULL) {
|
---|
878 | text_t message = "Error: ";
|
---|
879 | if (err == 1) message += "'_'";
|
---|
880 | else if (err == 2) message += "']'";
|
---|
881 | else if (err == 3) message += "'}'";
|
---|
882 | else if (err == 4) message += "'{'";
|
---|
883 | message += " expected on line ";
|
---|
884 | message += line;
|
---|
885 | message += " of " + thisfilename + "\n";
|
---|
886 | (*logout) << text_t2ascii << message;
|
---|
887 |
|
---|
888 | // (*logout) << text_t2ascii << "Error: ";
|
---|
889 | // if (err == 1) (*logout) << text_t2ascii << "'_'";
|
---|
890 | // else if (err == 2) (*logout) << text_t2ascii << "']'";
|
---|
891 | // else if (err == 3) (*logout) << text_t2ascii << "'}'";
|
---|
892 | // else if (err == 4) (*logout) << text_t2ascii << "'{'";
|
---|
893 | // (*logout) << text_t2ascii << " expected on line ";
|
---|
894 | // (*logout) << line ;
|
---|
895 | // (*logout) << text_t2ascii << " of " << thisfilename << "\n";
|
---|
896 | }
|
---|
897 | while (!fin.eof ()) {
|
---|
898 | if (c == '\n') break;
|
---|
899 | c = my_uni_get(fin, line, isunicode, bigendian);
|
---|
900 | }
|
---|
901 | }
|
---|
902 |
|
---|
903 | } else {
|
---|
904 | // found an error, skip to the end of the line
|
---|
905 | if (logout != NULL) {
|
---|
906 | (*logout) << text_t2ascii << text_t("Error: Unexpected input on line ") + line + text_t(" of ") + thisfilename + "\n";
|
---|
907 | }
|
---|
908 | while (!fin.eof ()) {
|
---|
909 | if (c == '\n') break;
|
---|
910 | c = my_uni_get(fin, line, isunicode, bigendian);
|
---|
911 | }
|
---|
912 |
|
---|
913 | }
|
---|
914 | }
|
---|
915 |
|
---|
916 | fin.close ();
|
---|
917 |
|
---|
918 | // free up memory
|
---|
919 | delete []filenamestr;
|
---|
920 | return 0;
|
---|
921 | }
|
---|
922 |
|
---|
923 |
|
---|
924 | // loads a default macro file (if it isn't already loaded)
|
---|
925 | // returns 0 if didn't need to load the file (it was already loaded)
|
---|
926 | // 1 if was (re)loaded
|
---|
927 | // -1 an error occurred while trying to load the file
|
---|
928 | int displayclass::loaddefaultmacros (const text_t &thisfilename)
|
---|
929 | {
|
---|
930 | return loadparammacros(defaultmacros,thisfilename);
|
---|
931 | }
|
---|
932 |
|
---|
933 | // loads a collection specific macro file
|
---|
934 | // returns 0 if didn't need to load the file (it was already loaded)
|
---|
935 | // 1 if was (re)loaded
|
---|
936 | // -1 an error occurred while trying to load the file
|
---|
937 | int displayclass::loadcollectionmacros (const text_t &thisfilename)
|
---|
938 | {
|
---|
939 | return loadparammacros(collectionmacros,thisfilename);
|
---|
940 | }
|
---|
941 |
|
---|
942 |
|
---|
943 | void displayclass::unloaddefaultmacros () {
|
---|
944 | defaultmacros->clear();
|
---|
945 | }
|
---|
946 |
|
---|
947 | void displayclass::unloadcollectionmacros () {
|
---|
948 | collectionmacros->clear();
|
---|
949 | }
|
---|
950 |
|
---|
951 | // prepares to create a page.
|
---|
952 | void displayclass::openpage (const text_t &thispageparams,
|
---|
953 | const text_t &thisprecedence)
|
---|
954 | {
|
---|
955 | // init variables
|
---|
956 | currentmacros->clear();
|
---|
957 |
|
---|
958 | // reload any default macro files which have changed.
|
---|
959 | if (checkdefaultmacrofiles() < 0)
|
---|
960 | {
|
---|
961 | // print error message
|
---|
962 | }
|
---|
963 |
|
---|
964 | setpageparams (thispageparams, thisprecedence);
|
---|
965 | }
|
---|
966 |
|
---|
967 |
|
---|
968 | // changes the parameters for the current page.
|
---|
969 | void displayclass::setpageparams (text_t thispageparams,
|
---|
970 | text_t thisprecedence)
|
---|
971 | {
|
---|
972 | paramhashtype thissplitparams, splittheseparams;
|
---|
973 | precedencetype precedhash;
|
---|
974 | text_tset::iterator text_tsetit;
|
---|
975 | paramspec tmpps;
|
---|
976 |
|
---|
977 | precedence = thisprecedence;
|
---|
978 | calcprecedence(thisprecedence, precedhash);
|
---|
979 |
|
---|
980 | splitparams(thispageparams, thissplitparams);
|
---|
981 | joinparams(thissplitparams, thispageparams);
|
---|
982 | params = thispageparams;
|
---|
983 |
|
---|
984 | // get a list of parameters with their specificness
|
---|
985 | orderparamlist->erase(orderparamlist->begin(), orderparamlist->end());
|
---|
986 | for (text_tsetit=allparams.begin();
|
---|
987 | text_tsetit!=allparams.end();
|
---|
988 | ++text_tsetit)
|
---|
989 | {
|
---|
990 | tmpps.param = (*text_tsetit);
|
---|
991 | splitparams(tmpps.param, splittheseparams);
|
---|
992 | tmpps.spec = getspecificness(thissplitparams, splittheseparams, precedhash);
|
---|
993 | if (tmpps.spec >= 0)
|
---|
994 | {
|
---|
995 | orderparamlist->push_back (tmpps);
|
---|
996 | }
|
---|
997 | }
|
---|
998 |
|
---|
999 | // sort the list
|
---|
1000 | sort(orderparamlist->begin(), orderparamlist->end());
|
---|
1001 |
|
---|
1002 | #if 0 // debugging
|
---|
1003 | outconvertclass text_t2ascii;
|
---|
1004 |
|
---|
1005 | paramspeclist::iterator pshere = orderparamlist->begin();
|
---|
1006 | paramspeclist::iterator psend = orderparamlist->end();
|
---|
1007 | while (pshere != psend)
|
---|
1008 | {
|
---|
1009 | cerr << text_t2ascii << "param=" << (*pshere).param;
|
---|
1010 | cerr << " spec=" << (int)((*pshere).spec) << "\n";
|
---|
1011 | ++pshere;
|
---|
1012 | }
|
---|
1013 | #endif
|
---|
1014 | }
|
---|
1015 |
|
---|
1016 |
|
---|
1017 | // overrides (or sets) a macro for the current page.
|
---|
1018 | // returns 0 if there was no error,
|
---|
1019 | // -1 if it redefined a macro
|
---|
1020 | // -4 if no macroname was supplied
|
---|
1021 | int displayclass::setmacro (const text_t ¯oname,
|
---|
1022 | const text_t &package,
|
---|
1023 | const text_t ¯ovalue)
|
---|
1024 | {
|
---|
1025 | // make sure a macroname was supplied
|
---|
1026 | if (macroname.empty()) return -4;
|
---|
1027 |
|
---|
1028 | // make package "Global" if it doesn't point to anything yet
|
---|
1029 | if (package.empty())
|
---|
1030 | return currentmacros->setmacro(defaultpackage, macroname, "memory", macrovalue);
|
---|
1031 |
|
---|
1032 | // set the macro
|
---|
1033 | return currentmacros->setmacro(package, macroname, "memory", macrovalue);
|
---|
1034 | }
|
---|
1035 |
|
---|
1036 | int displayclass::setmacroif (const text_t ¯o_to_set_and_test,
|
---|
1037 | const text_t ¯o_to_set_if_macro_not_set,
|
---|
1038 | const text_t ¯oname,
|
---|
1039 | const text_t &package) {
|
---|
1040 |
|
---|
1041 | if (macroname.empty()) return -4;
|
---|
1042 | if (macro_to_set_and_test.empty()) return -40;
|
---|
1043 |
|
---|
1044 | text_t temp;
|
---|
1045 | expandstring(defaultpackage, macro_to_set_and_test, temp);
|
---|
1046 |
|
---|
1047 | if (package.empty()) {
|
---|
1048 | if (temp == macro_to_set_and_test) return currentmacros->setmacro(defaultpackage, macroname, "memory", macro_to_set_if_macro_not_set);
|
---|
1049 | return currentmacros->setmacro(defaultpackage, macroname, "memory", macro_to_set_and_test);
|
---|
1050 | } else {
|
---|
1051 | if (temp == macro_to_set_and_test) return currentmacros->setmacro(package, macroname, "memory", macro_to_set_if_macro_not_set);
|
---|
1052 | return currentmacros->setmacro(package, macroname, "memory", macro_to_set_and_test);
|
---|
1053 |
|
---|
1054 | }
|
---|
1055 | }
|
---|
1056 |
|
---|
1057 | void displayclass::expandstring (const text_t &package, const text_t &inputtext,
|
---|
1058 | text_t &outputtext, int recursiondepth)
|
---|
1059 | {
|
---|
1060 | text_t macroname, macropackage, macroargs;
|
---|
1061 | text_t::const_iterator tthere = inputtext.begin();
|
---|
1062 | text_t::const_iterator ttend = inputtext.end();
|
---|
1063 | unsigned short c = '\0';
|
---|
1064 | int openbrackets=0;
|
---|
1065 |
|
---|
1066 | if (package.empty()) expandstring(defaultpackage, inputtext, outputtext, recursiondepth);
|
---|
1067 |
|
---|
1068 | outputtext.clear();
|
---|
1069 | // use one-character lookahead
|
---|
1070 | if (tthere != ttend) c = (*tthere);
|
---|
1071 | while (tthere != ttend)
|
---|
1072 | {
|
---|
1073 | if (c == '\\')
|
---|
1074 | {
|
---|
1075 | // found an escape character
|
---|
1076 | c = my_ttnextchar (tthere, ttend); // skip the escape character
|
---|
1077 | if (tthere != ttend)
|
---|
1078 | {
|
---|
1079 | if (c == 'n') outputtext.push_back('\n');
|
---|
1080 | else if (c == 't') outputtext.push_back('\t');
|
---|
1081 | else outputtext.push_back(c);
|
---|
1082 | }
|
---|
1083 | c = my_ttnextchar (tthere, ttend);
|
---|
1084 |
|
---|
1085 | }
|
---|
1086 | else if (c == '_')
|
---|
1087 | {
|
---|
1088 | // might have found the start of a macro
|
---|
1089 |
|
---|
1090 | // embedded macros (macros within the names
|
---|
1091 | // of other macros) are no longer supported -- Rodger.
|
---|
1092 |
|
---|
1093 | // save the current state (in case we need to back out)
|
---|
1094 | text_t::const_iterator savedtthere = tthere;
|
---|
1095 | unsigned short savedc = c;
|
---|
1096 |
|
---|
1097 | macroname.clear();
|
---|
1098 | macropackage = package;
|
---|
1099 | macroargs.clear();
|
---|
1100 |
|
---|
1101 | c = my_ttnextchar (tthere, ttend); // skip the '_'
|
---|
1102 |
|
---|
1103 | // get the macroname
|
---|
1104 | while (tthere != ttend && (!is_unicode_space(c)) &&
|
---|
1105 | (c != '\\') && (c != '_') &&(c != ':') &&
|
---|
1106 | (macroname.size() < 80))
|
---|
1107 | {
|
---|
1108 | macroname.push_back((unsigned char)c);
|
---|
1109 | c = my_ttnextchar (tthere, ttend);
|
---|
1110 | }
|
---|
1111 |
|
---|
1112 | if (c == ':')
|
---|
1113 | {
|
---|
1114 | // we actually had the macro package
|
---|
1115 | c = my_ttnextchar (tthere, ttend);
|
---|
1116 | macropackage = macroname;
|
---|
1117 | macroname.clear ();
|
---|
1118 |
|
---|
1119 | // get the macro name (honest!)
|
---|
1120 | while ((tthere != ttend) && (!is_unicode_space(c)) &&
|
---|
1121 | (c != '\\') && (c != '_') &&(c != ':') &&
|
---|
1122 | (macroname.size() < 80))
|
---|
1123 | {
|
---|
1124 | macroname.push_back((unsigned char)c);
|
---|
1125 | c = my_ttnextchar (tthere, ttend);
|
---|
1126 | }
|
---|
1127 | }
|
---|
1128 |
|
---|
1129 | if ((tthere != ttend) && (c == '_') &&
|
---|
1130 | (macroname.size() > 0))
|
---|
1131 | {
|
---|
1132 | // found a macro!!!! (maybe)
|
---|
1133 | c = my_ttnextchar (tthere, ttend); // skip the '_'
|
---|
1134 |
|
---|
1135 | // get the parameters (if there are any)
|
---|
1136 | if ((tthere != ttend) && (c == '('))
|
---|
1137 | {
|
---|
1138 | c = my_ttnextchar (tthere, ttend); // skip '('
|
---|
1139 | ++openbrackets;
|
---|
1140 | // have to be careful of quotes
|
---|
1141 | unsigned short quote = '\0';
|
---|
1142 | while (tthere != ttend)
|
---|
1143 | {
|
---|
1144 | if (c == '\\')
|
---|
1145 | {
|
---|
1146 | // have an escape character, save escape
|
---|
1147 | // character and next character as well
|
---|
1148 | macroargs.push_back (c);
|
---|
1149 | c = my_ttnextchar (tthere, ttend);
|
---|
1150 |
|
---|
1151 | }
|
---|
1152 | else if (quote == '\0')
|
---|
1153 | {
|
---|
1154 | // not in a quote at the moment
|
---|
1155 | if (c == '(')
|
---|
1156 | {
|
---|
1157 | ++openbrackets;
|
---|
1158 | }
|
---|
1159 | else if (c == ')')
|
---|
1160 | {
|
---|
1161 | --openbrackets;
|
---|
1162 | if (openbrackets==0) {
|
---|
1163 | // found end of the arguments
|
---|
1164 | c = my_ttnextchar (tthere, ttend); // skip ')'
|
---|
1165 | break;
|
---|
1166 | } else {
|
---|
1167 | // nested brackets
|
---|
1168 | }
|
---|
1169 | }
|
---|
1170 | else if (c == '\'' || c == '\"')
|
---|
1171 | {
|
---|
1172 | // found a quote
|
---|
1173 | quote = c;
|
---|
1174 | }
|
---|
1175 |
|
---|
1176 | }
|
---|
1177 | else
|
---|
1178 | {
|
---|
1179 | // we are in a quote
|
---|
1180 | if (c == quote) quote = '\0';
|
---|
1181 | }
|
---|
1182 |
|
---|
1183 | // save this character
|
---|
1184 | if (tthere != ttend) macroargs.push_back (c);
|
---|
1185 | c = my_ttnextchar (tthere, ttend);
|
---|
1186 | } // while (tthere != ttend)
|
---|
1187 | }
|
---|
1188 |
|
---|
1189 | //
|
---|
1190 | // we now have the macropackage, macroname, and macroargs
|
---|
1191 | //
|
---|
1192 |
|
---|
1193 | // try to expand out this macro
|
---|
1194 | text_t expandedmacro;
|
---|
1195 | if (macro (macroname, macropackage.empty()?defaultpackage:macropackage, macroargs, expandedmacro, recursiondepth))
|
---|
1196 | {
|
---|
1197 | // append the expanded macro
|
---|
1198 | outputtext += expandedmacro;
|
---|
1199 | }
|
---|
1200 | else
|
---|
1201 | {
|
---|
1202 | // wasn't a macro
|
---|
1203 | tthere = savedtthere;
|
---|
1204 | c = savedc;
|
---|
1205 | outputtext.push_back(c); // the '_'
|
---|
1206 | c = my_ttnextchar (tthere, ttend);
|
---|
1207 | }
|
---|
1208 |
|
---|
1209 |
|
---|
1210 | }
|
---|
1211 | else
|
---|
1212 | {
|
---|
1213 | // wasn't a macro
|
---|
1214 | tthere = savedtthere;
|
---|
1215 | c = savedc;
|
---|
1216 | outputtext.push_back(c); // the '_'
|
---|
1217 | c = my_ttnextchar (tthere, ttend);
|
---|
1218 | }
|
---|
1219 |
|
---|
1220 | }
|
---|
1221 | else
|
---|
1222 | {
|
---|
1223 | // nothing of interest
|
---|
1224 | outputtext.push_back(c); // the '_'
|
---|
1225 | c = my_ttnextchar (tthere, ttend);
|
---|
1226 | }
|
---|
1227 | } // end of while (tthere != ttend)
|
---|
1228 | }
|
---|
1229 |
|
---|
1230 | ostream *displayclass::setlogout (ostream *thelogout) {
|
---|
1231 |
|
---|
1232 | ostream *oldlogout = logout;
|
---|
1233 | logout = thelogout;
|
---|
1234 | return oldlogout;
|
---|
1235 | }
|
---|
1236 |
|
---|
1237 | // protected methods for display
|
---|
1238 |
|
---|
1239 | // reloads any default macro files which have changed
|
---|
1240 | // returns 0 no errors occurred
|
---|
1241 | // -1 an error occurred while trying to load one of the files
|
---|
1242 | int displayclass::checkdefaultmacrofiles ()
|
---|
1243 | {
|
---|
1244 | // this isn't implemented yet
|
---|
1245 | return 0;
|
---|
1246 | }
|
---|
1247 |
|
---|
1248 | // isdefaultmacro sees if there is an entry in the list of
|
---|
1249 | // default macros with the given package and macro name
|
---|
1250 | // returns 0 if no macros in the package or in the global package
|
---|
1251 | // were found
|
---|
1252 | // 1 if no macros in the package were found but a macro
|
---|
1253 | // in the global package was found
|
---|
1254 | // 2 if a macro in the given package was found
|
---|
1255 | int displayclass::isdefaultmacro (const text_t &package, const text_t ¯oname) {
|
---|
1256 | // make sure a macroname was supplied
|
---|
1257 | if (macroname.empty()) return 0;
|
---|
1258 |
|
---|
1259 | if (!package.empty()) {
|
---|
1260 | // check the given package
|
---|
1261 | if (defaultmacros->macro_find(package, macroname) != NULL) return 2;
|
---|
1262 | }
|
---|
1263 |
|
---|
1264 | // check the Global package
|
---|
1265 | if (defaultmacros->macro_find(defaultpackage, macroname) != NULL) return 1;
|
---|
1266 | // not found
|
---|
1267 | return 0;
|
---|
1268 | }
|
---|
1269 |
|
---|
1270 | // havemacro sees if there is an entry in the list of macros or
|
---|
1271 | // default macros with the given package and macro name
|
---|
1272 | // returns 0 if no macros in the package or in the global package
|
---|
1273 | // were found
|
---|
1274 | // 1 if no macros in the package were found but a macro
|
---|
1275 | // in the global package was found
|
---|
1276 | // 2 if a macro in the given package was found
|
---|
1277 | // 4 if no macros in the package were found but a macro
|
---|
1278 | // in the global package was found in default macros
|
---|
1279 | // 8 if a macro in the given package was found in default
|
---|
1280 | int displayclass::havemacro(const text_t &package, const text_t ¯oname)
|
---|
1281 | {
|
---|
1282 | // make sure a macroname was supplied
|
---|
1283 | if (macroname.empty()) return 0;
|
---|
1284 |
|
---|
1285 | // make package "Global" if it doesn't point to anything yet
|
---|
1286 | if (package.empty()) {
|
---|
1287 | // check the Global package in current macros list
|
---|
1288 | if (currentmacros->macro_find(defaultpackage, macroname) != NULL) return 1;
|
---|
1289 |
|
---|
1290 | // check the Global package in default macros list
|
---|
1291 | if (defaultmacros->macro_find(defaultpackage, macroname) != NULL) return 4;
|
---|
1292 | } else {
|
---|
1293 | // check the given package in current macros list
|
---|
1294 | if (currentmacros->macro_find(package, macroname) != NULL) return 2;
|
---|
1295 |
|
---|
1296 | // check the Global package in current macros list
|
---|
1297 | if (currentmacros->macro_find(defaultpackage, macroname) != NULL) return 1;
|
---|
1298 |
|
---|
1299 | // check the given package in default macros list
|
---|
1300 | if (defaultmacros->macro_find(package, macroname) != NULL) return 8;
|
---|
1301 |
|
---|
1302 | // check the Global package in default macros list
|
---|
1303 | if (defaultmacros->macro_find(defaultpackage, macroname) != NULL) return 4;
|
---|
1304 | }
|
---|
1305 |
|
---|
1306 | // nothing was found
|
---|
1307 | return 0;
|
---|
1308 | }
|
---|
1309 |
|
---|
1310 |
|
---|
1311 | // setparammacro adds an entry to the list of default macros
|
---|
1312 | // returns 0 if there was no error,
|
---|
1313 | // -1 if it redefined a macro
|
---|
1314 | // -2 if it hid a Global macro
|
---|
1315 | // -3 if it redefined a macro and hid a Global macro
|
---|
1316 | // -4 if no macroname was supplied
|
---|
1317 | int displayclass::setparammacro (parammacros_t* macrotable,
|
---|
1318 | const text_t &package,
|
---|
1319 | const text_t ¯oname,
|
---|
1320 | text_t macroparams,
|
---|
1321 | const text_t &filename,
|
---|
1322 | const text_t ¯ovalue)
|
---|
1323 | {
|
---|
1324 | // make sure a macroname was supplied
|
---|
1325 | if (macroname.empty()) return -4;
|
---|
1326 |
|
---|
1327 | // put the parameters in a standard form
|
---|
1328 | paramhashtype paramhash;
|
---|
1329 | if (macroparams.empty()) macroparams = "ignore=yes";
|
---|
1330 | splitparams (macroparams, paramhash);
|
---|
1331 | joinparams (paramhash, macroparams);
|
---|
1332 |
|
---|
1333 | // remember these parameters
|
---|
1334 | allparams.insert (macroparams);
|
---|
1335 |
|
---|
1336 | // remember this filename (this part isn't finished yet -- Rodger).
|
---|
1337 |
|
---|
1338 | // set the macro
|
---|
1339 | if (package.empty()) {
|
---|
1340 | return macrotable->setmacro(defaultpackage, macroname, macroparams, filename, macrovalue);
|
---|
1341 | } else {
|
---|
1342 | return macrotable->setmacro(package, macroname, macroparams, filename, macrovalue);
|
---|
1343 | }
|
---|
1344 | }
|
---|
1345 |
|
---|
1346 | // setdefaultmacro adds an entry to the list of default macros
|
---|
1347 | // returns 0 if there was no error,
|
---|
1348 | // -1 if it redefined a macro
|
---|
1349 | // -2 if it hid a Global macro
|
---|
1350 | // -3 if it redefined a macro and hid a Global macro
|
---|
1351 | // -4 if no macroname was supplied
|
---|
1352 | int displayclass::setdefaultmacro (const text_t &package,
|
---|
1353 | const text_t ¯oname,
|
---|
1354 | text_t macroparams,
|
---|
1355 | const text_t &filename,
|
---|
1356 | const text_t ¯ovalue)
|
---|
1357 | {
|
---|
1358 | return setparammacro(defaultmacros,package,macroname,
|
---|
1359 | macroparams,filename,macrovalue);
|
---|
1360 | }
|
---|
1361 |
|
---|
1362 | // public function
|
---|
1363 | int displayclass::setcollectionmacro(const text_t &package,
|
---|
1364 | const text_t ¯oname,
|
---|
1365 | text_t mparams,
|
---|
1366 | const text_t ¯ovalue)
|
---|
1367 | {
|
---|
1368 | return setcollectionmacro(package, macroname, mparams, "memory", macrovalue);
|
---|
1369 | }
|
---|
1370 |
|
---|
1371 | // setcollectionmacro adds an entry to the list of collection specific macros
|
---|
1372 | // returns 0 if there was no error,
|
---|
1373 | // -1 if it redefined a macro
|
---|
1374 | // -2 if it hid a Global macro
|
---|
1375 | // -3 if it redefined a macro and hid a Global macro
|
---|
1376 | // -4 if no macroname was supplied
|
---|
1377 | int displayclass::setcollectionmacro (const text_t &package,
|
---|
1378 | const text_t ¯oname,
|
---|
1379 | text_t mparams,
|
---|
1380 | const text_t &filename,
|
---|
1381 | const text_t ¯ovalue)
|
---|
1382 | {
|
---|
1383 | return setparammacro(collectionmacros,package,macroname,mparams,
|
---|
1384 | filename,macrovalue);
|
---|
1385 | }
|
---|
1386 |
|
---|
1387 |
|
---|
1388 | // evaluates a boolean expression
|
---|
1389 | // returns false if expr equals "" or "0".
|
---|
1390 | // otherwise returns true *unless* expr is
|
---|
1391 | // format "XXXX" eq/ne "dddd" in which case
|
---|
1392 | // the two quoted strings are compared
|
---|
1393 | bool displayclass::boolexpr (const text_t &package, const text_t &expr, int recursiondepth) {
|
---|
1394 | if (expr.empty()) return false;
|
---|
1395 |
|
---|
1396 | text_t expexpr;
|
---|
1397 | if (package.empty()) {
|
---|
1398 | expandstring (defaultpackage, expr, expexpr, recursiondepth);
|
---|
1399 | } else {
|
---|
1400 | expandstring (package, expr, expexpr, recursiondepth);
|
---|
1401 | }
|
---|
1402 | if (expexpr.empty() || expexpr == "0") return false;
|
---|
1403 | // allow \" as start of exp as well as ", cos this is what the GLI writes out
|
---|
1404 | if (expr[0] != '\"' && !(expr[0] == '\\' && expr[1] == '"')) {
|
---|
1405 | return true;
|
---|
1406 | }
|
---|
1407 | // don't use expexpr while separating quoted parts of
|
---|
1408 | // expression just in case expanded out macros contain
|
---|
1409 | // quotes
|
---|
1410 | text_t::const_iterator here = expr.begin();
|
---|
1411 | text_t::const_iterator end = expr.end();
|
---|
1412 |
|
---|
1413 | int quotecount = 0;
|
---|
1414 | text_t string1, expstring1;
|
---|
1415 | text_t string2, expstring2;
|
---|
1416 | text_t op;
|
---|
1417 | text_t combineop;
|
---|
1418 | bool result = false; // an empty string is false
|
---|
1419 | bool result2 = false;
|
---|
1420 |
|
---|
1421 | while (here != end) {
|
---|
1422 | // get a comparison
|
---|
1423 | quotecount = 0;
|
---|
1424 | string1.clear();
|
---|
1425 | string2.clear();
|
---|
1426 | op.clear();
|
---|
1427 | while (here != end) {
|
---|
1428 | if (*here == '\\' && *(here+1) =='"') {
|
---|
1429 | ++quotecount; // found an escaped quote
|
---|
1430 | ++here;
|
---|
1431 | }
|
---|
1432 | else if (*here == '"') ++quotecount;
|
---|
1433 | else if (quotecount == 1) string1.push_back(*here);
|
---|
1434 | else if ((quotecount == 2) && !is_unicode_space (*here))
|
---|
1435 | op.push_back(*here);
|
---|
1436 | else if (quotecount == 3) string2.push_back(*here);
|
---|
1437 | else if (quotecount >= 4) break;
|
---|
1438 | ++here;
|
---|
1439 | }
|
---|
1440 |
|
---|
1441 | expandstring (package, string1, expstring1, recursiondepth);
|
---|
1442 | expandstring (package, string2, expstring2, recursiondepth);
|
---|
1443 |
|
---|
1444 | // get next result
|
---|
1445 | result2 = true; // any badly formatted string will return true
|
---|
1446 | if (op == "eq") result2 = (expstring1 == expstring2);
|
---|
1447 | else if (op == "ne") result2 = (expstring1 != expstring2);
|
---|
1448 | else if (op == "gt") result2 = (expstring1 > expstring2);
|
---|
1449 | else if (op == "ge") result2 = (expstring1 >= expstring2);
|
---|
1450 | else if (op == "lt") result2 = (expstring1 < expstring2);
|
---|
1451 | else if (op == "le") result2 = (expstring1 <= expstring2);
|
---|
1452 | else if (op == "==") result2 = (expstring1.getint() == expstring2.getint());
|
---|
1453 | else if (op == "!=") result2 = (expstring1.getint() != expstring2.getint());
|
---|
1454 | else if (op == ">") result2 = (expstring1.getint() > expstring2.getint());
|
---|
1455 | else if (op == ">=") result2 = (expstring1.getint() >= expstring2.getint());
|
---|
1456 | else if (op == "<") result2 = (expstring1.getint() < expstring2.getint());
|
---|
1457 | else if (op == "<=") result2 = (expstring1.getint() <= expstring2.getint());
|
---|
1458 | else if (op == "sw") result2 = (starts_with(expstring1,expstring2));
|
---|
1459 | else if (op == "ew") result2 = (ends_with(expstring1,expstring2));
|
---|
1460 |
|
---|
1461 | // combine the results
|
---|
1462 | if (combineop == "&&") result = (result && result2);
|
---|
1463 | else if (combineop == "||") result = (result || result2);
|
---|
1464 | else result = result2;
|
---|
1465 |
|
---|
1466 | // get next combination operator
|
---|
1467 | combineop.clear();
|
---|
1468 | while (here != end && *here != '"') {
|
---|
1469 | if (!is_unicode_space(*here)) combineop.push_back(*here);
|
---|
1470 | ++here;
|
---|
1471 | }
|
---|
1472 | }
|
---|
1473 |
|
---|
1474 | return result;
|
---|
1475 | }
|
---|
1476 |
|
---|
1477 |
|
---|
1478 | mvalue* displayclass::macro_find (parammacros_t* macrotable,
|
---|
1479 | const text_t &packagename,
|
---|
1480 | const text_t ¯oname)
|
---|
1481 | {
|
---|
1482 | mvalue *macrovalue = NULL;
|
---|
1483 |
|
---|
1484 | // next look in the named parammacros for the named package
|
---|
1485 | if (macrotable->macro_find (packagename, macroname) != NULL)
|
---|
1486 | {
|
---|
1487 | paramspeclist::iterator paramhere, paramend;
|
---|
1488 |
|
---|
1489 | paramhere = orderparamlist->begin(); paramend = orderparamlist->end();
|
---|
1490 | while ((macrovalue == NULL) && (paramhere != paramend))
|
---|
1491 | {
|
---|
1492 | macrovalue = macrotable->parameter_find(packagename, macroname,
|
---|
1493 | (*paramhere).param);
|
---|
1494 | ++paramhere;
|
---|
1495 | }
|
---|
1496 | }
|
---|
1497 |
|
---|
1498 | return macrovalue;
|
---|
1499 | }
|
---|
1500 |
|
---|
1501 |
|
---|
1502 | // (recursively) expand out a macro
|
---|
1503 | // returns true if the macro was found
|
---|
1504 | // false if the macro was not found
|
---|
1505 | // macropackage should never be empty
|
---|
1506 | bool displayclass::macro (const text_t ¯oname,
|
---|
1507 | const text_t ¯opackage,
|
---|
1508 | const text_t ¯oparam,
|
---|
1509 | text_t &outputtext,
|
---|
1510 | int recursiondepth)
|
---|
1511 | {
|
---|
1512 | assert(!macropackage.empty()); //???
|
---|
1513 | //outconvertclass text_t2ascii;
|
---|
1514 | text_tlist splitmacroparam;
|
---|
1515 | text_t::const_iterator hereit, endit;
|
---|
1516 | text_t aparam;
|
---|
1517 | unsigned short c = '\0', quote = '\0';
|
---|
1518 |
|
---|
1519 | // cerr << "r: " << recursiondepth << "\n";
|
---|
1520 | // check for deep recursion
|
---|
1521 | if (recursiondepth >= MAXRECURSIONDEPTH)
|
---|
1522 | {
|
---|
1523 | if (logout != NULL)
|
---|
1524 | (*logout) << "Warning: deep recursion, limiting macro expansion\n";
|
---|
1525 | return false;
|
---|
1526 | }
|
---|
1527 |
|
---|
1528 | // check the macropackage
|
---|
1529 | //if (macropackage.empty()) macropackage = "Global";
|
---|
1530 |
|
---|
1531 | // get the parameters (but don't expand them)
|
---|
1532 | if (macroparam.size() > 0) {
|
---|
1533 | // set up for loop
|
---|
1534 | hereit = macroparam.begin();
|
---|
1535 | endit = macroparam.end();
|
---|
1536 | if (hereit != endit) c = (*hereit);
|
---|
1537 | int openbrackets=0; // keep track of bracket level eg _If_(1, _macro_(arg))
|
---|
1538 | // this allows commas inside brackets (as arguments)
|
---|
1539 | while (hereit != endit) {
|
---|
1540 | // get the next parameter
|
---|
1541 | aparam.clear();
|
---|
1542 | quote = '\0'; // not-quoted unless proven quoted
|
---|
1543 |
|
---|
1544 | // ignore initial whitespace
|
---|
1545 | while ((hereit!=endit)&&is_unicode_space(c)) c=my_ttnextchar(hereit,endit);
|
---|
1546 |
|
---|
1547 | // look for the end of the parameter
|
---|
1548 | while (hereit != endit) {
|
---|
1549 | if (c == '\\') {
|
---|
1550 | // found escape character, also get next character
|
---|
1551 | aparam.push_back(c);
|
---|
1552 | c = my_ttnextchar (hereit, endit);
|
---|
1553 | if (hereit != endit) aparam.push_back(c);
|
---|
1554 |
|
---|
1555 | } else if (quote=='\0' && (c=='\'' /*|| c=='"'*/)) {
|
---|
1556 | // found a quoted section
|
---|
1557 | quote = c;
|
---|
1558 | if (openbrackets>0) aparam.push_back(c);
|
---|
1559 |
|
---|
1560 | } else if (quote!='\0' && c==quote) {
|
---|
1561 | // found the end of a quote
|
---|
1562 | quote = '\0';
|
---|
1563 | if (openbrackets<0) aparam.push_back(c);
|
---|
1564 |
|
---|
1565 | } else if (quote=='\0' && (c==',' || c==')') && openbrackets==0) {
|
---|
1566 | // found the end of a parameter
|
---|
1567 | c = my_ttnextchar (hereit, endit);
|
---|
1568 | break;
|
---|
1569 |
|
---|
1570 | } else if (c=='(') {
|
---|
1571 | aparam.push_back(c);
|
---|
1572 | ++openbrackets;
|
---|
1573 | } else if (c==')') {
|
---|
1574 | --openbrackets;
|
---|
1575 | aparam.push_back(c);
|
---|
1576 | } else {
|
---|
1577 | // ordinary character
|
---|
1578 | aparam.push_back(c);
|
---|
1579 | }
|
---|
1580 |
|
---|
1581 | c = my_ttnextchar (hereit, endit);
|
---|
1582 | }
|
---|
1583 |
|
---|
1584 |
|
---|
1585 | // add this parameter to the list
|
---|
1586 | splitmacroparam.push_back(aparam);
|
---|
1587 | }
|
---|
1588 | }
|
---|
1589 |
|
---|
1590 | if (macroname == "If") {
|
---|
1591 | // get the condition, then clause and else clause
|
---|
1592 | text_tlist::iterator paramcond = splitmacroparam.begin();
|
---|
1593 | text_tlist::iterator paramend = splitmacroparam.end();
|
---|
1594 | text_tlist::iterator paramthen = paramend;
|
---|
1595 | text_tlist::iterator paramelse = paramend;
|
---|
1596 |
|
---|
1597 | if (paramcond != paramend) {
|
---|
1598 | paramthen = paramcond;
|
---|
1599 | ++paramthen;
|
---|
1600 | }
|
---|
1601 | if (paramthen != paramend) {
|
---|
1602 | paramelse = paramthen;
|
---|
1603 | ++paramelse;
|
---|
1604 | }
|
---|
1605 |
|
---|
1606 | // will always output something
|
---|
1607 | outputtext.clear();
|
---|
1608 |
|
---|
1609 |
|
---|
1610 | // expand out the first parameter
|
---|
1611 | if (paramcond != paramend) {
|
---|
1612 | /// text_t tmpoutput;
|
---|
1613 | /// expandstring (macropackage, *paramcond, tmpoutput, recursiondepth+1);
|
---|
1614 | /// lc (tmpoutput);
|
---|
1615 | // test the expanded string
|
---|
1616 | if (boolexpr (macropackage, *paramcond, recursiondepth+1)) {
|
---|
1617 | //(tmpoutput.size()) && (tmpoutput != "false") && (tmpoutput != "0")) {
|
---|
1618 | // true
|
---|
1619 | if (paramthen != paramend)
|
---|
1620 | expandstring (macropackage, *paramthen, outputtext, recursiondepth+1);
|
---|
1621 | } else {
|
---|
1622 | // false
|
---|
1623 | if (paramelse != paramend)
|
---|
1624 | expandstring (macropackage, *paramelse, outputtext, recursiondepth+1);
|
---|
1625 | }
|
---|
1626 | }
|
---|
1627 |
|
---|
1628 | return true;
|
---|
1629 | }
|
---|
1630 |
|
---|
1631 | // try and find this macro
|
---|
1632 |
|
---|
1633 | // this list might be replaced by something a little more
|
---|
1634 | // sophisticated in the future.
|
---|
1635 | text_tlist packagelist;
|
---|
1636 | packagelist.push_back (macropackage);
|
---|
1637 | packagelist.push_back ("Global");
|
---|
1638 |
|
---|
1639 | text_tlist::iterator packagehere = packagelist.begin();
|
---|
1640 | text_tlist::iterator packageend = packagelist.end();
|
---|
1641 | mvalue *macrovalue = NULL;
|
---|
1642 | while (packagehere != packageend)
|
---|
1643 | {
|
---|
1644 | // first look in the currentmacros
|
---|
1645 | macrovalue = currentmacros->macro_find(*packagehere, macroname);
|
---|
1646 | if (macrovalue != NULL)
|
---|
1647 | break;
|
---|
1648 |
|
---|
1649 | macrovalue = currentmacros->macro_find("Style", macroname);
|
---|
1650 | if (macrovalue != NULL)
|
---|
1651 | break;
|
---|
1652 |
|
---|
1653 | // look in the collection specific macros
|
---|
1654 | macrovalue = macro_find(collectionmacros,*packagehere,macroname);
|
---|
1655 | if (macrovalue != NULL)
|
---|
1656 | break;
|
---|
1657 |
|
---|
1658 | // and again in the collection specific package "Style"
|
---|
1659 | macrovalue = macro_find(collectionmacros,(const char*)"Style",macroname);
|
---|
1660 | if (macrovalue != NULL)
|
---|
1661 | break;
|
---|
1662 |
|
---|
1663 | // look in the default macros
|
---|
1664 | macrovalue = macro_find(defaultmacros,*packagehere,macroname);
|
---|
1665 | if (macrovalue != NULL)
|
---|
1666 | break;
|
---|
1667 |
|
---|
1668 | // and again in the package "Style"
|
---|
1669 | macrovalue = macro_find(defaultmacros,(const char*)"Style",macroname);
|
---|
1670 | if (macrovalue != NULL)
|
---|
1671 | break;
|
---|
1672 | ++packagehere;
|
---|
1673 | }
|
---|
1674 |
|
---|
1675 | if (macrovalue != NULL)
|
---|
1676 | {
|
---|
1677 | // we found a macro
|
---|
1678 |
|
---|
1679 | // replace all the option macros (_1_, _2_, ...) in the value of this macro
|
---|
1680 | // and decide if we need to expand the value of this macro
|
---|
1681 | bool needsexpansion = false;
|
---|
1682 | text_t tempmacrovalue;
|
---|
1683 | tempmacrovalue.clear();
|
---|
1684 | hereit = macrovalue->value.begin();
|
---|
1685 | endit = macrovalue->value.end();
|
---|
1686 | if (hereit != endit) c = (*hereit);
|
---|
1687 | while (hereit != endit)
|
---|
1688 | {
|
---|
1689 | if (c == '\\')
|
---|
1690 | {
|
---|
1691 | // found an escape character
|
---|
1692 | needsexpansion = true;
|
---|
1693 | tempmacrovalue.push_back(c);
|
---|
1694 | c = my_ttnextchar (hereit, endit);
|
---|
1695 | if (hereit != endit) tempmacrovalue.push_back(c);
|
---|
1696 | c = my_ttnextchar (hereit, endit);
|
---|
1697 | }
|
---|
1698 | else if (c == '_')
|
---|
1699 | {
|
---|
1700 | text_t::const_iterator savedhereit = hereit;
|
---|
1701 |
|
---|
1702 | // attempt to get a number
|
---|
1703 | int argnum = 0;
|
---|
1704 | unsigned short digc = my_ttnextchar (hereit, endit);
|
---|
1705 | while (digc >= '0' && digc <= '9') {
|
---|
1706 | argnum = argnum*10 + digc - '0';
|
---|
1707 | digc = my_ttnextchar (hereit, endit);
|
---|
1708 | }
|
---|
1709 | if (digc == '_' && argnum > 0) {
|
---|
1710 | // found an option macro, append the appropriate text
|
---|
1711 | text_tlist::iterator ttlisthere = splitmacroparam.begin();
|
---|
1712 | text_tlist::iterator ttlistend = splitmacroparam.end();
|
---|
1713 | while ((argnum > 1) && (ttlisthere != ttlistend)) {
|
---|
1714 | --argnum;
|
---|
1715 | ++ttlisthere;
|
---|
1716 | }
|
---|
1717 | if (ttlisthere != ttlistend) {
|
---|
1718 | tempmacrovalue.append(*ttlisthere);
|
---|
1719 | if (findchar((*ttlisthere).begin(), (*ttlisthere).end(), '_') != (*ttlisthere).end())
|
---|
1720 | needsexpansion = true;
|
---|
1721 | }
|
---|
1722 |
|
---|
1723 | c = my_ttnextchar (hereit, endit);
|
---|
1724 |
|
---|
1725 | } else {
|
---|
1726 | // wasn't a option macro
|
---|
1727 | needsexpansion = true;
|
---|
1728 | tempmacrovalue.push_back(c);
|
---|
1729 | hereit = savedhereit;
|
---|
1730 | c = my_ttnextchar (hereit, endit);
|
---|
1731 | }
|
---|
1732 | }
|
---|
1733 | else
|
---|
1734 | {
|
---|
1735 | tempmacrovalue.push_back(c);
|
---|
1736 | c = my_ttnextchar (hereit, endit);
|
---|
1737 | }
|
---|
1738 | }
|
---|
1739 |
|
---|
1740 | // recursively replace this macro (if we need to)
|
---|
1741 | if (needsexpansion) {
|
---|
1742 | expandstring (*packagehere, tempmacrovalue, outputtext, recursiondepth+1);
|
---|
1743 | } else {
|
---|
1744 | outputtext += tempmacrovalue;
|
---|
1745 | }
|
---|
1746 |
|
---|
1747 | return true;
|
---|
1748 | }
|
---|
1749 |
|
---|
1750 | // GRB: deal with remaining code properly as it faults
|
---|
1751 | return false;
|
---|
1752 | outconvertclass text_t2ascii;
|
---|
1753 | if (logout != NULL) {
|
---|
1754 | (*logout) << text_t2ascii << "Warning: _" <<
|
---|
1755 | macropackage << ":" << macroname << "_ not found\n";
|
---|
1756 | }
|
---|
1757 |
|
---|
1758 | return false; // didn't find the macro
|
---|
1759 | }
|
---|
1760 |
|
---|
1761 |
|
---|
1762 | void displayclass::printdefaultmacros ()
|
---|
1763 | {
|
---|
1764 | defpackagemap::const_iterator packagemapit;
|
---|
1765 | defmacromap::const_iterator macromapit;
|
---|
1766 | defparammap::const_iterator parammapit;
|
---|
1767 | const mvalue *mvalueptr;
|
---|
1768 | outconvertclass text_t2ascii;
|
---|
1769 |
|
---|
1770 | text_t packagename, macroname, macroparam;
|
---|
1771 |
|
---|
1772 | for (packagemapit = defaultmacros->package_begin();
|
---|
1773 | packagemapit != defaultmacros->package_end();
|
---|
1774 | ++packagemapit)
|
---|
1775 | {
|
---|
1776 | packagename = (*packagemapit).first;
|
---|
1777 | // cerr << "***package : \"" << packagename << "\"\n";
|
---|
1778 |
|
---|
1779 | for (macromapit = (*packagemapit).second.begin();
|
---|
1780 | macromapit != (*packagemapit).second.end();
|
---|
1781 | ++macromapit)
|
---|
1782 | {
|
---|
1783 | macroname = (*macromapit).first;
|
---|
1784 | // cerr << "***macroname : \"" << macroname << "\"\n";
|
---|
1785 |
|
---|
1786 | for (parammapit = (*macromapit).second.begin();
|
---|
1787 | parammapit != (*macromapit).second.end();
|
---|
1788 | ++parammapit)
|
---|
1789 | {
|
---|
1790 | macroparam = (*parammapit).first;
|
---|
1791 | mvalueptr = &((*parammapit).second);
|
---|
1792 | cerr << text_t2ascii << "package : \"" << packagename << "\"\n";
|
---|
1793 | cerr << text_t2ascii << "macroname : \"" << macroname << "\"\n";
|
---|
1794 | cerr << text_t2ascii << "parameters: [" << macroparam << "]\n";
|
---|
1795 | cerr << text_t2ascii << "filename : \"" << mvalueptr->filename << "\"\n";
|
---|
1796 | cerr << text_t2ascii << "value : {" << mvalueptr->value << "}\n\n";
|
---|
1797 | }
|
---|
1798 | }
|
---|
1799 | }
|
---|
1800 | }
|
---|
1801 |
|
---|
1802 | void displayclass::printallparams ()
|
---|
1803 | {
|
---|
1804 | text_tset::iterator text_tsetit;
|
---|
1805 | outconvertclass text_t2ascii;
|
---|
1806 |
|
---|
1807 | cerr << text_t2ascii << "** allparams\n";
|
---|
1808 | for (text_tsetit=allparams.begin();
|
---|
1809 | text_tsetit!=allparams.end();
|
---|
1810 | ++text_tsetit) {
|
---|
1811 | cerr << text_t2ascii << (*text_tsetit) << "\n";
|
---|
1812 | }
|
---|
1813 | cerr << text_t2ascii << "\n";
|
---|
1814 | }
|
---|
1815 |
|
---|
1816 |
|
---|
1817 |
|
---|
1818 | /////////////////////////////////////
|
---|
1819 | // stuff to do tricky output
|
---|
1820 | /////////////////////////////////////
|
---|
1821 |
|
---|
1822 | displayclass &operator<< (outconvertclass &theoutc, displayclass &display)
|
---|
1823 | {
|
---|
1824 | display.setconvertclass (&theoutc);
|
---|
1825 | return display;
|
---|
1826 | }
|
---|
1827 |
|
---|
1828 | displayclass &operator<< (displayclass &display, const text_t &t)
|
---|
1829 | {
|
---|
1830 | outconvertclass *theoutc = display.getconvertclass();
|
---|
1831 |
|
---|
1832 | if (theoutc == NULL) return display;
|
---|
1833 |
|
---|
1834 | text_t output;
|
---|
1835 | display.expandstring (t, output);
|
---|
1836 | (*theoutc) << output;
|
---|
1837 |
|
---|
1838 | return display;
|
---|
1839 | }
|
---|