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 | * PUT COPYRIGHT NOTICE HERE
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7 | *
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8 | * $Id: display.cpp 114 1999-01-19 01:38:20Z rjmcnab $
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9 | *
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10 | *********************************************************************/
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11 |
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12 | /*
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13 | $Log$
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14 | Revision 1.5 1999/01/19 01:38:12 rjmcnab
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15 |
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16 | Made the source more portable.
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17 |
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18 | Revision 1.4 1999/01/12 01:50:57 rjmcnab
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19 |
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20 | Standard header.
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21 |
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22 | Revision 1.3 1999/01/08 02:33:13 rjmcnab
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23 |
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24 | Added standard header to source files.
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25 |
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26 | */
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27 |
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28 |
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29 | #include "display.h"
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30 | #include "gsdlunicode.h"
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31 | #include <assert.h>
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32 |
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33 | // include to get NULL
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34 | #include <stdlib.h>
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35 |
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36 |
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37 |
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38 | /////////////////////////////////////
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39 | // misc classes
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40 | /////////////////////////////////////
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41 |
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42 |
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43 | // precedencetype defines a 'precedence value' for each parameter
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44 | typedef map<text_t, double, lttext_t> precedencetype;
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45 |
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46 |
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47 | // macro value structure
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48 | struct mvalue
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49 | {
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50 | text_t filename;
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51 | text_t value;
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52 | };
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53 |
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54 | inline bool operator==(const mvalue &x, const mvalue &y) {
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55 | return (x.filename==y.filename && x.value==y.value);
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56 | }
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57 |
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58 | inline bool operator<(const mvalue &x, const mvalue &y) {
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59 | return (x.filename<y.filename ||
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60 | (x.filename==y.filename && x.filename<y.filename));
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61 | }
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62 |
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63 |
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64 |
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65 | /////////////////////////////////////
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66 | // stuff for defaultmacros_t
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67 | /////////////////////////////////////
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68 |
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69 | typedef map<text_t, mvalue, lttext_t> defparammap;
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70 | typedef map<text_t, defparammap, lttext_t> defmacromap;
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71 | typedef map<text_t, defmacromap, lttext_t> defpackagemap;
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72 |
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73 | // all methods in defaultmacros_t assume the parameters
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74 | // and packages in a standard form and not empty
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75 | class defaultmacros_t
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76 | {
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77 | protected:
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78 | defpackagemap macros;
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79 |
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80 | public:
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81 | typedef defpackagemap::const_iterator const_package_iterator;
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82 | typedef defpackagemap::size_type package_size_type;
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83 |
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84 | // setmacro returns 0 if there was no error,
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85 | // -1 if it redefined a macro
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86 | // -2 if it hid a Global macro
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87 | // -3 if it redefined a macro and hid a Global macro
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88 | // -4 if either a package, macroname, or params were not supplied
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89 | int setmacro(const text_t &package,
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90 | const text_t ¯oname,
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91 | const text_t ¶ms,
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92 | const text_t &filename,
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93 | const text_t ¯ovalue);
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94 |
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95 | void delmacro(const text_t &package,
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96 | const text_t ¯oname,
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97 | const text_t ¶ms);
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98 |
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99 | void clear () {macros.erase(macros.begin(), macros.end());}
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100 |
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101 | // top level stuff
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102 | const_package_iterator package_begin () const {return macros.begin();}
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103 | const_package_iterator package_end () const {return macros.end();}
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104 | bool package_empty () const {return macros.empty();}
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105 | package_size_type package_size() const {return macros.size();}
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106 |
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107 | // methods to find things
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108 | defmacromap *package_find (const text_t &packagename);
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109 | defparammap *macro_find (const text_t &packagename,
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110 | const text_t ¯oname);
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111 | mvalue *parameter_find (const text_t &packagename,
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112 | const text_t ¯oname,
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113 | const text_t ¶metername);
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114 | };
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115 |
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116 |
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117 | // setmacro returns 0 if there was no error,
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118 | // -1 if it redefined a macro
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119 | // -2 if it hid a Global macro
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120 | // -3 if it redefined a macro and hid a Global macro
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121 | // -4 if either a package, macroname, or params were not supplied
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122 | int defaultmacros_t::setmacro(const text_t &package,
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123 | const text_t ¯oname,
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124 | const text_t ¶ms,
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125 | const text_t &filename,
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126 | const text_t ¯ovalue)
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127 | {
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128 | text_t constGlobal("Global");
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129 | paramhashtype paramhash;
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130 |
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131 | defmacromap *macromapptr;
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132 | defparammap *parammapptr;
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133 | mvalue *mvalueptr;
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134 |
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135 | int warning = 0;
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136 |
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137 | // check to see if we would be hiding a Global macro with the
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138 | // same name. Note: it doesn't matter what parameters are used
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139 | // a Global macro will still be hid by a non-Global one with
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140 | // the same name.
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141 | if ((package != constGlobal) &&
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142 | (macro_find (constGlobal, macroname) != NULL))
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143 | {
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144 | warning -= 2; // found the macroname
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145 | }
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146 |
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147 | // define this macro
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148 | macromapptr = &(macros[package]); // -- package
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149 | parammapptr = &((*macromapptr)[macroname]); // -- macro name
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150 | // -- parameters
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151 | if ((*parammapptr).find(params) != (*parammapptr).end()) {
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152 | warning -= 1; // found the parameters
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153 | }
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154 | mvalueptr = &((*parammapptr)[params]);
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155 |
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156 | // -- value
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157 | (*mvalueptr).filename = filename;
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158 | (*mvalueptr).value = macrovalue;
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159 |
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160 | return warning;
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161 | }
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162 |
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163 | void defaultmacros_t::delmacro(const text_t &package,
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164 | const text_t ¯oname,
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165 | const text_t ¶ms)
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166 | {
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167 | // make sure everything was supplied
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168 | if (package.empty() || macroname.empty() || params.empty()) return;
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169 |
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170 | // find the package and macroname
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171 | defparammap *parammapptr = macro_find(package, macroname);
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172 | if (parammapptr == NULL) return;
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173 |
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174 | // find the parameters
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175 | defparammap::iterator parammapit = parammapptr->find(params);
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176 | if (parammapit == parammapptr->end()) return;
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177 |
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178 | // finally delete this element
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179 | parammapptr->erase(parammapit);
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180 | }
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181 |
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182 | defmacromap *defaultmacros_t::package_find (const text_t &packagename)
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183 | {
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184 | if (packagename.empty()) return NULL;
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185 |
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186 | defpackagemap::iterator it = macros.find(packagename);
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187 | if (it == macros.end()) return NULL;
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188 |
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189 | return &((*it).second);
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190 | }
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191 |
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192 | defparammap *defaultmacros_t::macro_find (const text_t &packagename,
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193 | const text_t ¯oname)
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194 | {
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195 | defmacromap *macromapptr = package_find(packagename);
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196 | if (macromapptr == NULL || macroname.empty()) return NULL;
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197 |
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198 | defmacromap::iterator it = (*macromapptr).find(macroname);
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199 | if (it == (*macromapptr).end()) return NULL;
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200 |
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201 | return &((*it).second);
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202 | }
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203 |
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204 | mvalue *defaultmacros_t::parameter_find (const text_t &packagename,
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205 | const text_t ¯oname,
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206 | const text_t ¶metername)
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207 | {
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208 | defparammap *parammapptr = macro_find(packagename, macroname);
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209 | if (parammapptr == NULL || parametername.empty()) return NULL;
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210 |
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211 | defparammap::iterator it = (*parammapptr).find(parametername);
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212 | if (it == (*parammapptr).end()) return NULL;
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213 |
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214 | return &((*it).second);
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215 | }
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216 |
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217 |
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218 |
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219 | /////////////////////////////////////
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220 | // stuff for currentmacros_t
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221 | /////////////////////////////////////
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222 |
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223 | typedef map<text_t, mvalue, lttext_t> curmacromap;
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224 | typedef map<text_t, curmacromap, lttext_t> curpackagemap;
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225 |
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226 | // all methods in currentmacros_t assume the parameters
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227 | // and packages in a standard form and not empty
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228 | class currentmacros_t
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229 | {
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230 | protected:
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231 | curpackagemap macros;
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232 |
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233 | public:
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234 | typedef curpackagemap::const_iterator const_package_iterator;
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235 | typedef curpackagemap::size_type package_size_type;
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236 |
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237 | // setmacro returns 0 if there was no error,
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238 | // -1 if it redefined a macro
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239 | // -4 if either a package, or macroname were not supplied
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240 | int setmacro(const text_t &package,
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241 | const text_t ¯oname,
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242 | const text_t &filename,
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243 | const text_t ¯ovalue);
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244 |
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245 | void delmacro(const text_t &package,
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246 | const text_t ¯oname);
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247 |
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248 | void clear () {macros.erase(macros.begin(), macros.end());}
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249 |
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250 | // top level stuff
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251 | const_package_iterator package_begin () const {return macros.begin();}
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252 | const_package_iterator package_end () const {return macros.end();}
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253 | bool package_empty () const {return macros.empty();}
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254 | package_size_type package_size() const {return macros.size();}
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255 |
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256 | // methods to find things
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257 | curmacromap *package_find (const text_t &packagename);
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258 | mvalue *macro_find (const text_t &packagename,
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259 | const text_t ¯oname);
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260 | };
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261 |
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262 |
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263 | // setmacro returns 0 if there was no error,
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264 | // -1 if it redefined a macro
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265 | // -4 if either a package, or macroname were not supplied
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266 | int currentmacros_t::setmacro(const text_t &package,
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267 | const text_t ¯oname,
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268 | const text_t &filename,
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269 | const text_t ¯ovalue)
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270 | {
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271 | int warning = 0;
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272 |
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273 | // make sure everything was supplied
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274 | if (package.empty() || macroname.empty()) return -4;
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275 |
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276 | // define this macro
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277 | curmacromap *macromapptr = &(macros[package]);
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278 | if ((*macromapptr).find(macroname) != (*macromapptr).end())
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279 | {
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280 | warning -= 1; // found the macroname
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281 | }
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282 | mvalue *mvalueptr = &((*macromapptr)[macroname]);
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283 |
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284 | // -- value
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285 | (*mvalueptr).filename = filename;
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286 | (*mvalueptr).value = macrovalue;
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287 |
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288 | return warning;
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289 | }
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290 |
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291 | void currentmacros_t::delmacro(const text_t &package,
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292 | const text_t ¯oname)
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293 | {
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294 | // make sure everything was supplied
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295 | if (package.empty() || macroname.empty()) return;
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296 |
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297 | // find the package
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298 | curmacromap *macromapptr = package_find(package);
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299 | if (macromapptr == NULL) return;
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300 |
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301 | // find the macroname
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302 | curmacromap::iterator macromapit = macromapptr->find(macroname);
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303 | if (macromapit == macromapptr->end()) return;
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304 |
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305 | // finally delete this element
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306 | macromapptr->erase(macromapit);
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307 | }
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308 |
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309 | curmacromap *currentmacros_t::package_find (const text_t &packagename)
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310 | {
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311 | if (packagename.empty()) return NULL;
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312 |
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313 | curpackagemap::iterator it = macros.find(packagename);
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314 | if (it == macros.end()) return NULL;
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315 |
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316 | return &((*it).second);
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317 | }
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318 |
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319 | mvalue *currentmacros_t::macro_find (const text_t &packagename,
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320 | const text_t ¯oname)
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321 | {
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322 | curmacromap *macromapptr = package_find(packagename);
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323 | if (macromapptr == NULL || macroname.empty()) return NULL;
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324 |
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325 | curmacromap::iterator it = (*macromapptr).find(macroname);
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326 | if (it == (*macromapptr).end()) return NULL;
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327 |
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328 | return &((*it).second);
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329 | }
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330 |
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331 |
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332 |
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333 |
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334 | /////////////////////////////////////
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335 | // support functions
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336 | /////////////////////////////////////
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337 |
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338 | // this calculation of precedence will make one occurance of a high
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339 | // precedence item override many occurances of lower precedence items
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340 | void calcprecedence (const text_t &precedstr, precedencetype &precedhash)
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341 | {
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342 | text_t param;
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343 | double multiple = 5.0;
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344 | double nextprec = multiple;
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345 |
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346 | text_t::const_iterator here, end;
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347 |
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348 | // set precedhash to an empty hash
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349 | precedhash.erase(precedhash.begin(), precedhash.end());
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350 |
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351 | // iterate through paramstring ignoring space and extracting
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352 | // out key value pairs.
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353 | here = precedstr.begin();
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354 | end = precedstr.end();
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355 | while (here != end)
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356 | {
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357 | // get the next parameter
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358 | param.clear(); // set param to an empty string
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359 |
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360 | while (here != end)
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361 | {
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362 | if (*here == ',')
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363 | {
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364 | // found the end of the parameter
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365 | here++;
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366 | break;
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367 | }
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368 | else if (*here == ' ')
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369 | {
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370 | // do nothing (ignore spaces)
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371 | }
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372 | else
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373 | {
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374 | // character in parameter
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375 | param.push_back (*here); // copy this character
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376 | }
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377 |
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378 | here++;
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379 | }
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380 |
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381 | // if a parameter was found insert its value
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382 | if (!param.empty())
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383 | {
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384 | precedhash[param] = nextprec;
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385 | nextprec *= multiple;
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386 | }
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387 | }
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388 | }
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389 |
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390 |
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391 | // decides how specific any given parameter is to the page parameters. Returns
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392 | // negative if any options are different or else the sum of the precedence for
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393 | // the options which match.
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394 | double getspecificness(const paramhashtype &pageparams,
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395 | const paramhashtype &theseparams,
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396 | const precedencetype &precedhash)
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397 | {
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398 | double specificness = 0.0;
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399 | paramhashtype::const_iterator here, pagevalueit;
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400 | precedencetype::const_iterator precedit;
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401 | text_t thesekey, thesevalue, constignore("ignore");
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402 |
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403 | here = theseparams.begin();
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404 | while (here != theseparams.end())
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405 | {
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406 | thesekey = (*here).first;
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407 | thesevalue = (*here).second;
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408 |
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409 | if (thesekey == constignore)
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410 | {
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411 | // do nothing, this is a placeholder
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412 | }
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413 | else
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414 | {
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415 | pagevalueit = pageparams.find(thesekey);
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416 | if ((pagevalueit != pageparams.end()) &&
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417 | ((*pagevalueit).second == thesevalue))
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418 | {
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419 | // this parameter fits, add its precedence value
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420 | precedit = precedhash.find(thesekey);
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421 | if (precedit == precedhash.end())
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422 | specificness += 1.0; // no precedence defined
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423 | else
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424 | specificness += (*precedit).second;
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425 | }
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426 | else
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427 | {
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428 | return -1.0; // did not match
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429 | }
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430 | }
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431 |
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432 | here++;
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433 | }
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434 |
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435 | return specificness;
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436 | }
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437 |
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438 |
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439 | void splitparams (const text_t ¶mstring, paramhashtype ¶mhash)
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440 | {
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441 | text_t key;
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442 | text_t value;
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443 |
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444 | text_t::const_iterator here, end;
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445 |
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446 | // set paramhash to an empty hash
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447 | paramhash.erase(paramhash.begin(), paramhash.end());
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448 |
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449 | // iterate through paramstring ignoring space and extracting
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450 | // out key value pairs.
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451 | here = paramstring.begin();
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452 | end = paramstring.end();
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453 | while (here != end)
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454 | {
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455 | // reset key and value
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456 | key.clear();
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457 | value.clear();
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458 |
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459 | // get key
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460 | while (here != end)
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461 | {
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462 | if (*here == ',')
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463 | {
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464 | // have a key with no value
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465 | break;
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466 | }
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467 | else if (*here == '=')
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468 | {
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469 | // found the end of the key
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470 | here ++;
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471 | break;
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472 | }
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473 | else if (*here == ' ')
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474 | {
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475 | // do nothing (ignore spaces)
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476 | }
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477 | else
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478 | {
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479 | // character in key
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480 | key.push_back (*here); // copy this character
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481 | }
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482 | here ++;
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483 | }
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484 |
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485 | // get value
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486 | while (here != end)
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487 | {
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488 | if (*here == '=')
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489 | {
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490 | // multiple values for one key, ignore previous
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491 | // values
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492 | value.clear();
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493 | }
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494 | else if (*here == ',')
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495 | {
|
---|
496 | // found the end of the value
|
---|
497 | here ++;
|
---|
498 | break;
|
---|
499 | }
|
---|
500 | else if (*here == ' ')
|
---|
501 | {
|
---|
502 | // do nothing (ignore spaces)
|
---|
503 | }
|
---|
504 | else
|
---|
505 | {
|
---|
506 | // character in value
|
---|
507 | value.push_back (*here); // copy this character
|
---|
508 | }
|
---|
509 | here ++;
|
---|
510 | }
|
---|
511 |
|
---|
512 | // if a key was found insert the key/value pair in
|
---|
513 | // the map
|
---|
514 | if (!key.empty())
|
---|
515 | {
|
---|
516 | paramhash[key] = value;
|
---|
517 | }
|
---|
518 | }
|
---|
519 | }
|
---|
520 |
|
---|
521 |
|
---|
522 | void joinparams (const paramhashtype ¶mhash, text_t ¶mstring)
|
---|
523 | {
|
---|
524 | //set paramstring to an empty string
|
---|
525 | paramstring.clear();
|
---|
526 |
|
---|
527 | //iterate through the paramhash
|
---|
528 | paramhashtype::const_iterator thepair;
|
---|
529 | int firstparam = 1;
|
---|
530 |
|
---|
531 | for (thepair=paramhash.begin();thepair!=paramhash.end(); thepair++)
|
---|
532 | {
|
---|
533 | if (!firstparam) paramstring.push_back(',');
|
---|
534 | firstparam = 0;
|
---|
535 |
|
---|
536 | // insert pairs of "key=value"
|
---|
537 | text_t thevalue;
|
---|
538 | paramstring.append((*thepair).first);
|
---|
539 | paramstring.push_back('=');
|
---|
540 | paramstring.append((*thepair).second);
|
---|
541 | }
|
---|
542 | }
|
---|
543 |
|
---|
544 |
|
---|
545 |
|
---|
546 | /////////////////////////////////////
|
---|
547 | // parsing support functions
|
---|
548 | /////////////////////////////////////
|
---|
549 |
|
---|
550 | inline int my_isspace (char ch)
|
---|
551 | {
|
---|
552 | unsigned char c = ch;
|
---|
553 | return (((c > 0) && (c <= 31)) || (c == ' '));
|
---|
554 | }
|
---|
555 |
|
---|
556 |
|
---|
557 | inline int my_isalpha (char c)
|
---|
558 | {
|
---|
559 | return ((c >= 'A' && c <= 'Z') ||
|
---|
560 | (c >= 'a' && c <= 'z'));
|
---|
561 | }
|
---|
562 |
|
---|
563 |
|
---|
564 | // as we are using one character lookahead the
|
---|
565 | // value of line might be off by one.
|
---|
566 | inline char my_get (istream &fin, int &line)
|
---|
567 | {
|
---|
568 | char c;
|
---|
569 | fin.get(c);
|
---|
570 | if (c == '\n') line++;
|
---|
571 | return c;
|
---|
572 | }
|
---|
573 |
|
---|
574 |
|
---|
575 | inline unsigned short my_ttnextchar (text_t::const_iterator &here,
|
---|
576 | text_t::const_iterator &end)
|
---|
577 | {
|
---|
578 | if (here != end)
|
---|
579 | {
|
---|
580 | here++;
|
---|
581 | if (here != end) return (*here);
|
---|
582 | }
|
---|
583 | return '\0';
|
---|
584 | }
|
---|
585 |
|
---|
586 |
|
---|
587 |
|
---|
588 | /////////////////////////////////////
|
---|
589 | // methods for display
|
---|
590 | /////////////////////////////////////
|
---|
591 |
|
---|
592 | // public methods for display
|
---|
593 |
|
---|
594 | displayclass::displayclass ()
|
---|
595 | {
|
---|
596 | defaultmacros = new defaultmacros_t;
|
---|
597 | defaultfiles = new fileinfomap;
|
---|
598 |
|
---|
599 | orderparamlist = new paramspeclist;
|
---|
600 | currentmacros = new currentmacros_t;
|
---|
601 |
|
---|
602 | outc = NULL;
|
---|
603 |
|
---|
604 | logout = &cerr;
|
---|
605 | }
|
---|
606 |
|
---|
607 |
|
---|
608 | displayclass::~displayclass ()
|
---|
609 | {
|
---|
610 | delete defaultmacros;
|
---|
611 | delete defaultfiles;
|
---|
612 |
|
---|
613 | delete orderparamlist;
|
---|
614 | delete currentmacros;
|
---|
615 | }
|
---|
616 |
|
---|
617 | // setdefaultmacro adds an entry to the list of default macros
|
---|
618 | // returns 0 if there was no error,
|
---|
619 | // -1 if it redefined a macro
|
---|
620 | // -2 if it hid a Global macro
|
---|
621 | // -3 if it redefined a macro and hid a Global macro
|
---|
622 | // -4 if no macroname was supplied
|
---|
623 | int displayclass::setdefaultmacro (text_t package, const text_t ¯oname,
|
---|
624 | text_t params, const text_t ¯ovalue)
|
---|
625 | {
|
---|
626 | return setdefaultmacro (macroname, package, params, macrovalue, "memory");
|
---|
627 | }
|
---|
628 |
|
---|
629 |
|
---|
630 |
|
---|
631 | // loads a default macro file (if it isn't already loaded)
|
---|
632 | // returns 0 if didn't need to load the file (it was already loaded)
|
---|
633 | // 1 if was (re)loaded
|
---|
634 | // -1 an error occurred while trying to load the file
|
---|
635 | int displayclass::loaddefaultmacros (text_t thisfilename)
|
---|
636 | {
|
---|
637 | // convert the filename to a C string
|
---|
638 | char *filenamestr = thisfilename.getcstr();
|
---|
639 | outconvertclass text_t2ascii;
|
---|
640 |
|
---|
641 | // see if we need to open this file -- this isn't implemented yet
|
---|
642 |
|
---|
643 | // open the file
|
---|
644 | ifstream fin(filenamestr);
|
---|
645 | if (fin.fail()) return -1; // read failed
|
---|
646 |
|
---|
647 | text_t package = "Global";
|
---|
648 | int line = 1;
|
---|
649 | char c = my_get(fin, line); // pre-fetch the next character
|
---|
650 |
|
---|
651 | text_t macropackage, macroname, macroparameters, macrovalue;
|
---|
652 | int err; // for keeping track of whether an error occurred somewhere
|
---|
653 |
|
---|
654 | while (!fin.eof())
|
---|
655 | {
|
---|
656 | // expect: white space, comment, "package", or macroname
|
---|
657 | if (my_isspace(c))
|
---|
658 | {
|
---|
659 | // found some white-space
|
---|
660 | c = my_get(fin, line);
|
---|
661 | }
|
---|
662 | else if (c == '#')
|
---|
663 | {
|
---|
664 | // found the start of a comment
|
---|
665 | // skip all characters up to the end of the line
|
---|
666 | c = my_get(fin, line); // skip the '#'
|
---|
667 | while (!fin.eof ())
|
---|
668 | {
|
---|
669 | if (c == '\n') break;
|
---|
670 | c = my_get(fin, line);
|
---|
671 | }
|
---|
672 |
|
---|
673 | }
|
---|
674 | else if (c == 'p')
|
---|
675 | {
|
---|
676 | // found the start of 'package' (hopefully)
|
---|
677 | // get everything up to the next space
|
---|
678 | text_t tmp;
|
---|
679 | while (!fin.eof() && my_isalpha(c))
|
---|
680 | {
|
---|
681 | tmp.push_back((unsigned char)c);
|
---|
682 | c = my_get(fin, line);
|
---|
683 | }
|
---|
684 | // see if we have a package name
|
---|
685 | if (tmp == "package")
|
---|
686 | {
|
---|
687 | // skip all white space
|
---|
688 | while (!fin.eof() && my_isspace(c))
|
---|
689 | c = my_get(fin, line);
|
---|
690 |
|
---|
691 | // get the package name
|
---|
692 | tmp.clear(); // init tmp
|
---|
693 | while (!fin.eof() && my_isalpha(c))
|
---|
694 | {
|
---|
695 | tmp.push_back((unsigned char)c);
|
---|
696 | c = my_get(fin, line);
|
---|
697 | }
|
---|
698 | package = to_uni(tmp); // convert from utf-8 to unicode
|
---|
699 | if (package.empty()) package = "Global";
|
---|
700 |
|
---|
701 | }
|
---|
702 | else
|
---|
703 | {
|
---|
704 | // error
|
---|
705 | if (logout != NULL) {
|
---|
706 | (*logout) << "Expected 'package' on line " << line << "\n";
|
---|
707 | }
|
---|
708 | }
|
---|
709 |
|
---|
710 | }
|
---|
711 | else if (c == '_')
|
---|
712 | {
|
---|
713 | // found the start of a macro (hopefully)
|
---|
714 | c = my_get(fin, line); // skip the _
|
---|
715 |
|
---|
716 | // init variables
|
---|
717 | err = 0;
|
---|
718 | macropackage = package;
|
---|
719 | macroname.clear(); // init macroname
|
---|
720 | macroparameters.clear(); // init macroname
|
---|
721 | macrovalue.clear(); // init macroname
|
---|
722 |
|
---|
723 | // get the macro name
|
---|
724 | while ((!fin.eof()) && (!my_isspace(c)) &&
|
---|
725 | (c != '\\') && (c != '_') &&(c != ':') &&
|
---|
726 | (macroname.size() < 80))
|
---|
727 | {
|
---|
728 | macroname.push_back((unsigned char)c);
|
---|
729 | c = my_get(fin, line);
|
---|
730 | }
|
---|
731 | macroname = to_uni(macroname); // convert from utf-8 to unicode
|
---|
732 |
|
---|
733 | if (c == ':')
|
---|
734 | {
|
---|
735 | // we actually had the macro package
|
---|
736 | c = my_get(fin, line); // skip :
|
---|
737 | macropackage = macroname;
|
---|
738 | macroname.clear ();
|
---|
739 |
|
---|
740 | // get the macro name (honest!)
|
---|
741 | while ((!fin.eof()) && (!my_isspace(c)) &&
|
---|
742 | (c != '\\') && (c != '_') &&(c != ':') &&
|
---|
743 | (macroname.size() < 80))
|
---|
744 | {
|
---|
745 | macroname.push_back((unsigned char)c);
|
---|
746 | c = my_get(fin, line);
|
---|
747 | }
|
---|
748 | macroname = to_uni(macroname); // convert from utf-8 to unicode
|
---|
749 | }
|
---|
750 |
|
---|
751 | if (!err && c == '_')
|
---|
752 | {
|
---|
753 | c = my_get(fin, line); // skip the _
|
---|
754 |
|
---|
755 | // skip all white space
|
---|
756 | while (!fin.eof() && my_isspace(c)) c = my_get(fin, line);
|
---|
757 | }
|
---|
758 | else err = 1;
|
---|
759 |
|
---|
760 | // get the macro parameters (optional)
|
---|
761 | if (!err && c == '[')
|
---|
762 | {
|
---|
763 | c = my_get(fin, line); // skip the [
|
---|
764 | while ((!fin.eof()) && (c != '\n') && (c != '\\') && (c != ']'))
|
---|
765 | {
|
---|
766 | macroparameters.push_back((unsigned char)c);
|
---|
767 | c = my_get(fin, line);
|
---|
768 | }
|
---|
769 | macroparameters = to_uni(macroparameters);
|
---|
770 |
|
---|
771 | if (c == ']')
|
---|
772 | {
|
---|
773 | c = my_get(fin, line); // skip the ]
|
---|
774 |
|
---|
775 | // skip all white space
|
---|
776 | while (!fin.eof() && my_isspace(c)) c = my_get(fin, line);
|
---|
777 | }
|
---|
778 | else err = 2;
|
---|
779 | }
|
---|
780 |
|
---|
781 | // get the macro value
|
---|
782 | if (!err && c == '{')
|
---|
783 | {
|
---|
784 | c = my_get(fin, line); // skip the {
|
---|
785 | while ((!fin.eof()) && (c != '}'))
|
---|
786 | {
|
---|
787 | if (c == '\\')
|
---|
788 | {
|
---|
789 | macrovalue.push_back((unsigned char)c); // keep the '\'
|
---|
790 | c = my_get(fin, line); // store the *next* value regardless
|
---|
791 | if (!fin.eof()) macrovalue.push_back((unsigned char)c);
|
---|
792 | c = my_get(fin, line);
|
---|
793 | }
|
---|
794 | macrovalue.push_back((unsigned char)c);
|
---|
795 | c = my_get(fin, line);
|
---|
796 | }
|
---|
797 | macrovalue = to_uni(macrovalue);
|
---|
798 |
|
---|
799 | if (c == '}')
|
---|
800 | {
|
---|
801 | c = my_get(fin, line); // skip the }
|
---|
802 |
|
---|
803 | // define the macro
|
---|
804 | err = setdefaultmacro (macropackage, macroname, macroparameters,
|
---|
805 | thisfilename, macrovalue);
|
---|
806 | if ((err == -1 || err == -3) && logout != NULL)
|
---|
807 | {
|
---|
808 | (*logout) << text_t2ascii << "Warning: redefinition of _" <<
|
---|
809 | package << ":" << macroname << "_[" << macroparameters <<
|
---|
810 | "] on line ";
|
---|
811 | (*logout) << line;
|
---|
812 | (*logout) << text_t2ascii << " of " << thisfilename << "\n";
|
---|
813 |
|
---|
814 | }
|
---|
815 | else if (err == -2 && logout != NULL)
|
---|
816 | {
|
---|
817 | (*logout) << text_t2ascii << "Warning: _" <<
|
---|
818 | package << ":" << macroname << "_[" << macroparameters <<
|
---|
819 | "] on line ";
|
---|
820 | (*logout) << line;
|
---|
821 | (*logout) << text_t2ascii << " of " <<
|
---|
822 | thisfilename << " hides a Global macro with the same name\n";
|
---|
823 | }
|
---|
824 | else if (err == -4 && logout != NULL)
|
---|
825 | {
|
---|
826 | (*logout) << text_t2ascii << "Error: macro name expected on line ";
|
---|
827 | (*logout) << line ;
|
---|
828 | (*logout) << text_t2ascii << " of " << thisfilename << "\n";
|
---|
829 | }
|
---|
830 |
|
---|
831 | err = 0; // for the test below
|
---|
832 | }
|
---|
833 | else err = 3;
|
---|
834 | }
|
---|
835 | else err = 4;
|
---|
836 |
|
---|
837 | if (err)
|
---|
838 | {
|
---|
839 | // found an error, skip to the end of the line
|
---|
840 | if (logout != NULL) {
|
---|
841 | (*logout) << text_t2ascii << "Err: Unexpected input on line ";
|
---|
842 | (*logout) << line;
|
---|
843 | (*logout) << text_t2ascii << " (";
|
---|
844 | (*logout) << err;
|
---|
845 | (*logout) << text_t2ascii << ")\n";
|
---|
846 | }
|
---|
847 | while (!fin.eof ())
|
---|
848 | {
|
---|
849 | if (c == '\n') break;
|
---|
850 | c = my_get(fin, line);
|
---|
851 | }
|
---|
852 | }
|
---|
853 |
|
---|
854 | }
|
---|
855 | else
|
---|
856 | {
|
---|
857 | // found an error, skip to the end of the line
|
---|
858 | if (logout != NULL) {
|
---|
859 | (*logout) << "Error: Unexpected input on line " << line << "\n";
|
---|
860 | }
|
---|
861 | while (!fin.eof ())
|
---|
862 | {
|
---|
863 | if (c == '\n') break;
|
---|
864 | c = my_get(fin, line);
|
---|
865 | }
|
---|
866 |
|
---|
867 | }
|
---|
868 | }
|
---|
869 |
|
---|
870 | fin.close ();
|
---|
871 |
|
---|
872 | // free up memory
|
---|
873 | delete filenamestr;
|
---|
874 | return 0;
|
---|
875 | }
|
---|
876 |
|
---|
877 |
|
---|
878 | // prepares to create a page.
|
---|
879 | void displayclass::openpage (const text_t &thispageparams,
|
---|
880 | const text_t &thisprecedence)
|
---|
881 | {
|
---|
882 | // init variables
|
---|
883 | currentmacros->clear();
|
---|
884 |
|
---|
885 | // reload any default macro files which have changed.
|
---|
886 | if (checkdefaultmacrofiles() < 0)
|
---|
887 | {
|
---|
888 | // print error message
|
---|
889 | }
|
---|
890 |
|
---|
891 | setpageparams (thispageparams, thisprecedence);
|
---|
892 | }
|
---|
893 |
|
---|
894 |
|
---|
895 | // changes the parameters for the current page.
|
---|
896 | void displayclass::setpageparams (text_t thispageparams,
|
---|
897 | text_t thisprecedence)
|
---|
898 | {
|
---|
899 | paramhashtype thissplitparams, splittheseparams;
|
---|
900 | precedencetype precedhash;
|
---|
901 | text_tset::iterator text_tsetit;
|
---|
902 | paramspec tmpps;
|
---|
903 |
|
---|
904 | precedence = thisprecedence;
|
---|
905 | calcprecedence(thisprecedence, precedhash);
|
---|
906 |
|
---|
907 | splitparams(thispageparams, thissplitparams);
|
---|
908 | joinparams(thissplitparams, thispageparams);
|
---|
909 | params = thispageparams;
|
---|
910 |
|
---|
911 | // get a list of parameters with their specificness
|
---|
912 | orderparamlist->erase(orderparamlist->begin(), orderparamlist->end());
|
---|
913 | for (text_tsetit=allparams.begin();
|
---|
914 | text_tsetit!=allparams.end();
|
---|
915 | text_tsetit++)
|
---|
916 | {
|
---|
917 | tmpps.param = (*text_tsetit);
|
---|
918 | splitparams(tmpps.param, splittheseparams);
|
---|
919 | tmpps.spec = getspecificness(thissplitparams, splittheseparams, precedhash);
|
---|
920 | if (tmpps.spec >= 0)
|
---|
921 | {
|
---|
922 | orderparamlist->push_back (tmpps);
|
---|
923 | }
|
---|
924 | }
|
---|
925 |
|
---|
926 | // sort the list
|
---|
927 | sort(orderparamlist->begin(), orderparamlist->end());
|
---|
928 |
|
---|
929 | // paramspeclist::iterator pshere = orderparamlist->begin();
|
---|
930 | // paramspeclist::iterator psend = orderparamlist->end();
|
---|
931 | // while (pshere != psend)
|
---|
932 | // {
|
---|
933 | // cerr << text_t2ascii << "param=" << (*pshere).param;
|
---|
934 | // cerr << " spec=" << (int)((*pshere).spec) << "\n";
|
---|
935 | // pshere++;
|
---|
936 | // }
|
---|
937 | }
|
---|
938 |
|
---|
939 |
|
---|
940 | // overrides (or sets) a macro for the current page.
|
---|
941 | // returns 0 if there was no error,
|
---|
942 | // -1 if it redefined a macro
|
---|
943 | // -4 if no macroname was supplied
|
---|
944 | int displayclass::setmacro (const text_t ¯oname,
|
---|
945 | text_t package,
|
---|
946 | const text_t ¯ovalue)
|
---|
947 | {
|
---|
948 | // make sure a macroname was supplied
|
---|
949 | if (macroname.empty()) return -4;
|
---|
950 |
|
---|
951 | // make package "Global" if it doesn't point to anything yet
|
---|
952 | if (package.empty()) package = "Global";
|
---|
953 |
|
---|
954 | // set the macro
|
---|
955 | return currentmacros->setmacro(package, macroname, "memory", macrovalue);
|
---|
956 | }
|
---|
957 |
|
---|
958 |
|
---|
959 | void displayclass::expandstring (const text_t &inputtext, text_t &outputtext)
|
---|
960 | {
|
---|
961 | expandstring("", inputtext, outputtext);
|
---|
962 | }
|
---|
963 |
|
---|
964 |
|
---|
965 | void displayclass::expandstring (text_t package, const text_t &inputtext,
|
---|
966 | text_t &outputtext, int recursiondepth)
|
---|
967 | {
|
---|
968 | text_t macroname, macropackage, macroargs;
|
---|
969 | text_t::const_iterator tthere = inputtext.begin();
|
---|
970 | text_t::const_iterator ttend = inputtext.end();
|
---|
971 | unsigned short c;
|
---|
972 |
|
---|
973 | if (package.empty()) package = "Global";
|
---|
974 |
|
---|
975 | outputtext.clear();
|
---|
976 |
|
---|
977 | // use one-character lookahead
|
---|
978 | if (tthere != ttend) c = (*tthere);
|
---|
979 | while (tthere != ttend)
|
---|
980 | {
|
---|
981 | if (c == '\\')
|
---|
982 | {
|
---|
983 | // found an escape character
|
---|
984 | c = my_ttnextchar (tthere, ttend); // skip the escape character
|
---|
985 | if (tthere != ttend)
|
---|
986 | {
|
---|
987 | if (c == 'n') outputtext.push_back('\n');
|
---|
988 | else if (c == 't') outputtext.push_back('\t');
|
---|
989 | else outputtext.push_back(c);
|
---|
990 | }
|
---|
991 | c = my_ttnextchar (tthere, ttend);
|
---|
992 |
|
---|
993 | }
|
---|
994 | else if (c == '_')
|
---|
995 | {
|
---|
996 | // might have found the start of a macro
|
---|
997 |
|
---|
998 | // embedded macros (macros within the names
|
---|
999 | // of other macros) are no longer supported -- Rodger.
|
---|
1000 |
|
---|
1001 | // save the current state (in case we need to back out)
|
---|
1002 | text_t::const_iterator savedtthere = tthere;
|
---|
1003 | unsigned short savedc = c;
|
---|
1004 |
|
---|
1005 | macroname.clear();
|
---|
1006 | macropackage = package;
|
---|
1007 | macroargs.clear();
|
---|
1008 |
|
---|
1009 | c = my_ttnextchar (tthere, ttend); // skip the '_'
|
---|
1010 |
|
---|
1011 | // get the macroname
|
---|
1012 | while (tthere != ttend && (!my_isspace(c)) &&
|
---|
1013 | (c != '\\') && (c != '_') &&(c != ':') &&
|
---|
1014 | (macroname.size() < 80))
|
---|
1015 | {
|
---|
1016 | macroname.push_back((unsigned char)c);
|
---|
1017 | c = my_ttnextchar (tthere, ttend);
|
---|
1018 | }
|
---|
1019 |
|
---|
1020 | if (c == ':')
|
---|
1021 | {
|
---|
1022 | // we actually had the macro package
|
---|
1023 | c = my_ttnextchar (tthere, ttend);
|
---|
1024 | macropackage = macroname;
|
---|
1025 | macroname.clear ();
|
---|
1026 |
|
---|
1027 | // get the macro name (honest!)
|
---|
1028 | while ((tthere != ttend) && (!my_isspace(c)) &&
|
---|
1029 | (c != '\\') && (c != '_') &&(c != ':') &&
|
---|
1030 | (macroname.size() < 80))
|
---|
1031 | {
|
---|
1032 | macroname.push_back((unsigned char)c);
|
---|
1033 | c = my_ttnextchar (tthere, ttend);
|
---|
1034 | }
|
---|
1035 | }
|
---|
1036 |
|
---|
1037 | if ((tthere != ttend) && (c == '_') &&
|
---|
1038 | (macroname.size() > 0))
|
---|
1039 | {
|
---|
1040 | // found a macro!!!! (maybe)
|
---|
1041 |
|
---|
1042 | c = my_ttnextchar (tthere, ttend); // skip the '_'
|
---|
1043 |
|
---|
1044 | // get the parameters (if there are any)
|
---|
1045 | if ((tthere != ttend) && (c == '('))
|
---|
1046 | {
|
---|
1047 | c = my_ttnextchar (tthere, ttend); // skip '('
|
---|
1048 |
|
---|
1049 | // have to be careful of quotes
|
---|
1050 | unsigned short quote = '\0';
|
---|
1051 | while (tthere != ttend)
|
---|
1052 | {
|
---|
1053 | if (c == '\\')
|
---|
1054 | {
|
---|
1055 | // have an escape character, save escape
|
---|
1056 | // character and next character as well
|
---|
1057 | macroargs.push_back (c);
|
---|
1058 | c = my_ttnextchar (tthere, ttend);
|
---|
1059 |
|
---|
1060 | }
|
---|
1061 | else if (quote == '\0')
|
---|
1062 | {
|
---|
1063 | // not in a quote at the moment
|
---|
1064 | if (c == ')')
|
---|
1065 | {
|
---|
1066 | // found end of the arguments
|
---|
1067 | c = my_ttnextchar (tthere, ttend); // skip ')'
|
---|
1068 | break;
|
---|
1069 |
|
---|
1070 | }
|
---|
1071 | else if (c == '\'' || c == '\"')
|
---|
1072 | {
|
---|
1073 | // found a quote
|
---|
1074 | quote = c;
|
---|
1075 | }
|
---|
1076 |
|
---|
1077 | }
|
---|
1078 | else
|
---|
1079 | {
|
---|
1080 | // we are in a quote
|
---|
1081 | if (c == quote) quote = '\0';
|
---|
1082 | }
|
---|
1083 |
|
---|
1084 | // save this character
|
---|
1085 | if (tthere != ttend) macroargs.push_back (c);
|
---|
1086 | c = my_ttnextchar (tthere, ttend);
|
---|
1087 | }
|
---|
1088 | }
|
---|
1089 |
|
---|
1090 | //
|
---|
1091 | // we now have the macropackage, macroname, and macroargs
|
---|
1092 | //
|
---|
1093 |
|
---|
1094 | // try to expand out this macro
|
---|
1095 | text_t expandedmacro;
|
---|
1096 | if (macro (macroname, macropackage, macroargs, expandedmacro, recursiondepth))
|
---|
1097 | {
|
---|
1098 | // append the expanded macro
|
---|
1099 | outputtext += expandedmacro;
|
---|
1100 | }
|
---|
1101 | else
|
---|
1102 | {
|
---|
1103 | // wasn't a macro
|
---|
1104 | tthere = savedtthere;
|
---|
1105 | c = savedc;
|
---|
1106 | outputtext.push_back(c); // the '_'
|
---|
1107 | c = my_ttnextchar (tthere, ttend);
|
---|
1108 | }
|
---|
1109 |
|
---|
1110 |
|
---|
1111 | }
|
---|
1112 | else
|
---|
1113 | {
|
---|
1114 | // wasn't a macro
|
---|
1115 | tthere = savedtthere;
|
---|
1116 | c = savedc;
|
---|
1117 | outputtext.push_back(c); // the '_'
|
---|
1118 | c = my_ttnextchar (tthere, ttend);
|
---|
1119 | }
|
---|
1120 |
|
---|
1121 | }
|
---|
1122 | else
|
---|
1123 | {
|
---|
1124 | // nothing of interest
|
---|
1125 | outputtext.push_back(c); // the '_'
|
---|
1126 | c = my_ttnextchar (tthere, ttend);
|
---|
1127 | }
|
---|
1128 | }
|
---|
1129 | }
|
---|
1130 |
|
---|
1131 |
|
---|
1132 | // protected methods for display
|
---|
1133 |
|
---|
1134 | // reloads any default macro files which have changed
|
---|
1135 | // returns 0 no errors occurred
|
---|
1136 | // -1 an error occurred while trying to load one of the files
|
---|
1137 | int displayclass::checkdefaultmacrofiles ()
|
---|
1138 | {
|
---|
1139 | // this isn't implemented yet
|
---|
1140 | return 0;
|
---|
1141 | }
|
---|
1142 |
|
---|
1143 | // setdefaultmacro adds an entry to the list of default macros
|
---|
1144 | // returns 0 if there was no error,
|
---|
1145 | // -1 if it redefined a macro
|
---|
1146 | // -2 if it hid a Global macro
|
---|
1147 | // -3 if it redefined a macro and hid a Global macro
|
---|
1148 | // -4 if no macroname was supplied
|
---|
1149 | int displayclass::setdefaultmacro (text_t package, const text_t ¯oname,
|
---|
1150 | text_t params, const text_t &filename,
|
---|
1151 | const text_t ¯ovalue)
|
---|
1152 | {
|
---|
1153 | // make sure a macroname was supplied
|
---|
1154 | if (macroname.empty()) return -4;
|
---|
1155 |
|
---|
1156 | // put the parameters in a standard form
|
---|
1157 | paramhashtype paramhash;
|
---|
1158 | if (params.empty()) params = "ignore=yes";
|
---|
1159 | splitparams (params, paramhash);
|
---|
1160 | joinparams (paramhash, params);
|
---|
1161 |
|
---|
1162 | // make package "Global" if it doesn't point to anything yet
|
---|
1163 | if (package.empty()) package = "Global";
|
---|
1164 |
|
---|
1165 | // remember these parameters
|
---|
1166 | allparams.insert (params);
|
---|
1167 |
|
---|
1168 | // remember this filename (this part isn't finished yet -- Rodger).
|
---|
1169 |
|
---|
1170 | // set the macro
|
---|
1171 | return defaultmacros->setmacro(package, macroname, params, filename, macrovalue);
|
---|
1172 | }
|
---|
1173 |
|
---|
1174 | // (recursively) expand out a macro
|
---|
1175 | // returns true if the macro was found
|
---|
1176 | // false if the macro was not found
|
---|
1177 | bool displayclass::macro (const text_t ¯oname, text_t macropackage,
|
---|
1178 | const text_t ¯oparam, text_t &outputtext,
|
---|
1179 | int recursiondepth)
|
---|
1180 | {
|
---|
1181 | outconvertclass text_t2ascii;
|
---|
1182 | text_tlist splitmacroparam;
|
---|
1183 | text_t::const_iterator hereit, endit;
|
---|
1184 | text_t aparam;
|
---|
1185 | unsigned short c, quote;
|
---|
1186 |
|
---|
1187 | // cerr << "r: " << recursiondepth << "\n";
|
---|
1188 |
|
---|
1189 | // check for deep recursion
|
---|
1190 | if (recursiondepth >= MAXRECURSIONDEPTH)
|
---|
1191 | {
|
---|
1192 | if (logout != NULL)
|
---|
1193 | (*logout) << "Warning: deep recursion, limiting macro expansion\n";
|
---|
1194 | return false;
|
---|
1195 | }
|
---|
1196 |
|
---|
1197 | // check the macropackage
|
---|
1198 | if (macropackage.empty()) macropackage = "Global";
|
---|
1199 |
|
---|
1200 | // get the parameters (but don't expand them)
|
---|
1201 | if (macroparam.size() > 0) {
|
---|
1202 | // set up for loop
|
---|
1203 | hereit = macroparam.begin();
|
---|
1204 | endit = macroparam.end();
|
---|
1205 | if (hereit != endit) c = (*hereit);
|
---|
1206 |
|
---|
1207 | while (hereit != endit) {
|
---|
1208 | // get the next parameter
|
---|
1209 | aparam.clear();
|
---|
1210 | quote = '\0'; // not-quoted unless proven quoted
|
---|
1211 |
|
---|
1212 | // ignore initial whitespace
|
---|
1213 | while ((hereit!=endit)&&my_isspace(c)) c=my_ttnextchar(hereit,endit);
|
---|
1214 |
|
---|
1215 | // look for the end of the parameter
|
---|
1216 | while (hereit != endit) {
|
---|
1217 | if (c == '\\') {
|
---|
1218 | // found escape character, also get next character
|
---|
1219 | aparam.push_back(c);
|
---|
1220 | c = my_ttnextchar (hereit, endit);
|
---|
1221 | if (hereit != endit) aparam.push_back(c);
|
---|
1222 |
|
---|
1223 | } else if (quote=='\0' && (c=='\'' || c=='"')) {
|
---|
1224 | // found a quoted section
|
---|
1225 | quote = c;
|
---|
1226 |
|
---|
1227 | } else if (quote!='\0' && c==quote) {
|
---|
1228 | // found the end of a quote
|
---|
1229 | quote = '\0';
|
---|
1230 |
|
---|
1231 | } else if (quote=='\0' && c==',') {
|
---|
1232 | // found the end of a parameter
|
---|
1233 | c = my_ttnextchar (hereit, endit);
|
---|
1234 | break;
|
---|
1235 |
|
---|
1236 | } else {
|
---|
1237 | // ordinary character
|
---|
1238 | aparam.push_back(c);
|
---|
1239 | }
|
---|
1240 |
|
---|
1241 | c = my_ttnextchar (hereit, endit);
|
---|
1242 | }
|
---|
1243 |
|
---|
1244 | // add this parameter to the list
|
---|
1245 | splitmacroparam.push_back(aparam);
|
---|
1246 | }
|
---|
1247 | }
|
---|
1248 |
|
---|
1249 | // I'm only supporting a simple version of _If_ at the moment
|
---|
1250 | if (macroname == "If")
|
---|
1251 | {
|
---|
1252 | // get the condition, then clause and else clause
|
---|
1253 | text_tlist::iterator paramcond = splitmacroparam.begin();
|
---|
1254 | text_tlist::iterator paramend = splitmacroparam.end();
|
---|
1255 | text_tlist::iterator paramthen = paramend;
|
---|
1256 | text_tlist::iterator paramelse = paramend;
|
---|
1257 |
|
---|
1258 | if (paramcond != paramend)
|
---|
1259 | {
|
---|
1260 | paramthen = paramcond;
|
---|
1261 | paramthen++;
|
---|
1262 | }
|
---|
1263 | if (paramthen != paramend)
|
---|
1264 | {
|
---|
1265 | paramelse = paramthen;
|
---|
1266 | paramelse++;
|
---|
1267 | }
|
---|
1268 |
|
---|
1269 | // will always output something
|
---|
1270 | outputtext.clear();
|
---|
1271 |
|
---|
1272 | // expand out the first parameter
|
---|
1273 | if (paramcond != paramend)
|
---|
1274 | {
|
---|
1275 | text_t tmpoutput;
|
---|
1276 | expandstring (macropackage, *paramcond, tmpoutput, recursiondepth+1);
|
---|
1277 |
|
---|
1278 | // test the expanded string
|
---|
1279 | if (tmpoutput.size() > 1 ||
|
---|
1280 | (tmpoutput.size() == 1 && tmpoutput[0] != '0'))
|
---|
1281 | {
|
---|
1282 | // true
|
---|
1283 | if (paramthen != paramend)
|
---|
1284 | expandstring (macropackage, *paramthen, outputtext, recursiondepth+1);
|
---|
1285 | }
|
---|
1286 | else
|
---|
1287 | {
|
---|
1288 | // false
|
---|
1289 | if (paramelse != paramend)
|
---|
1290 | expandstring (macropackage, *paramelse, outputtext, recursiondepth+1);
|
---|
1291 | }
|
---|
1292 | }
|
---|
1293 |
|
---|
1294 | return true;
|
---|
1295 | }
|
---|
1296 |
|
---|
1297 | // try and find this macro
|
---|
1298 |
|
---|
1299 | // this list might be replaced by something a little more
|
---|
1300 | // sophisticated in the future.
|
---|
1301 | text_tlist packagelist;
|
---|
1302 | packagelist.push_back (macropackage);
|
---|
1303 | packagelist.push_back ("Global");
|
---|
1304 |
|
---|
1305 | paramspeclist::iterator paramhere, paramend;
|
---|
1306 | text_tlist::iterator packagehere = packagelist.begin();
|
---|
1307 | text_tlist::iterator packageend = packagelist.end();
|
---|
1308 | mvalue *macrovalue = NULL;
|
---|
1309 | while ((macrovalue == NULL) && (packagehere != packageend))
|
---|
1310 | {
|
---|
1311 | // first look in the currentmacros
|
---|
1312 | macrovalue = currentmacros->macro_find(*packagehere, macroname);
|
---|
1313 | if (macrovalue == NULL)
|
---|
1314 | macrovalue = currentmacros->macro_find("Style", macroname);
|
---|
1315 |
|
---|
1316 | // look in the default macros
|
---|
1317 | if (macrovalue == NULL)
|
---|
1318 | {
|
---|
1319 | // next look in the defaultmacros
|
---|
1320 | if (defaultmacros->macro_find (*packagehere, macroname) != NULL)
|
---|
1321 | {
|
---|
1322 | paramhere = orderparamlist->begin(); paramend = orderparamlist->end();
|
---|
1323 | while ((macrovalue == NULL) && (paramhere != paramend))
|
---|
1324 | {
|
---|
1325 | // cerr << text_t2ascii << "\npackage: " << *packagehere << "\n";
|
---|
1326 | // cerr << text_t2ascii << "macroname: " << macroname << "\n";
|
---|
1327 | // cerr << text_t2ascii << "param: " << (*paramhere).param << "\n";
|
---|
1328 | // cerr << "spec: " << (int)((*paramhere).spec) << "\n";
|
---|
1329 | macrovalue = defaultmacros->parameter_find(*packagehere, macroname,
|
---|
1330 | (*paramhere).param);
|
---|
1331 | paramhere++;
|
---|
1332 | }
|
---|
1333 | }
|
---|
1334 | }
|
---|
1335 |
|
---|
1336 | // and again in the package "Style"
|
---|
1337 | if (macrovalue == NULL)
|
---|
1338 | {
|
---|
1339 | // next look in the defaultmacros
|
---|
1340 | if (defaultmacros->macro_find ("Style", macroname) != NULL)
|
---|
1341 | {
|
---|
1342 | paramhere = orderparamlist->begin(); paramend = orderparamlist->end();
|
---|
1343 | while ((macrovalue == NULL) && (paramhere != paramend))
|
---|
1344 | {
|
---|
1345 | macrovalue = defaultmacros->parameter_find("Style", macroname,
|
---|
1346 | (*paramhere).param);
|
---|
1347 | paramhere++;
|
---|
1348 | }
|
---|
1349 | }
|
---|
1350 | }
|
---|
1351 | if (macrovalue == NULL) packagehere++;
|
---|
1352 | }
|
---|
1353 |
|
---|
1354 | if (macrovalue != NULL)
|
---|
1355 | {
|
---|
1356 | // we found a macro
|
---|
1357 |
|
---|
1358 | // replace all the option macros (_1_, _2_, ...) in the
|
---|
1359 | // value of this macro
|
---|
1360 | text_t tempmacrovalue;
|
---|
1361 | tempmacrovalue.clear();
|
---|
1362 | hereit = macrovalue->value.begin();
|
---|
1363 | endit = macrovalue->value.end();
|
---|
1364 | if (hereit != endit) c = (*hereit);
|
---|
1365 | while (hereit != endit)
|
---|
1366 | {
|
---|
1367 | if (c == '\\')
|
---|
1368 | {
|
---|
1369 | // found an escape character
|
---|
1370 | tempmacrovalue.push_back(c);
|
---|
1371 | c = my_ttnextchar (hereit, endit);
|
---|
1372 | if (hereit != endit) tempmacrovalue.push_back(c);
|
---|
1373 | c = my_ttnextchar (hereit, endit);
|
---|
1374 | }
|
---|
1375 | else if (c == '_')
|
---|
1376 | {
|
---|
1377 | text_t::const_iterator savedhereit = hereit;
|
---|
1378 | unsigned short c2 = my_ttnextchar (hereit, endit);
|
---|
1379 | unsigned short c3 = my_ttnextchar (hereit, endit);
|
---|
1380 | if ((c2 >= '1') && (c2 <= '9') && (c3 == '_'))
|
---|
1381 | {
|
---|
1382 | // found an option macro, append the appropriate text
|
---|
1383 | text_tlist::iterator ttlisthere = splitmacroparam.begin();
|
---|
1384 | text_tlist::iterator ttlistend = splitmacroparam.end();
|
---|
1385 | while ((c2 > '1') && (ttlisthere != ttlistend))
|
---|
1386 | {
|
---|
1387 | c2--;
|
---|
1388 | ttlisthere++;
|
---|
1389 | }
|
---|
1390 | if (ttlisthere != ttlistend)
|
---|
1391 | tempmacrovalue.append(*ttlisthere);
|
---|
1392 |
|
---|
1393 | c = my_ttnextchar (hereit, endit);
|
---|
1394 |
|
---|
1395 | }
|
---|
1396 | else
|
---|
1397 | {
|
---|
1398 | // wasn't a option macro
|
---|
1399 | tempmacrovalue.push_back(c);
|
---|
1400 | hereit = savedhereit;
|
---|
1401 | c = my_ttnextchar (hereit, endit);
|
---|
1402 | }
|
---|
1403 | }
|
---|
1404 | else
|
---|
1405 | {
|
---|
1406 | tempmacrovalue.push_back(c);
|
---|
1407 | c = my_ttnextchar (hereit, endit);
|
---|
1408 | }
|
---|
1409 | }
|
---|
1410 |
|
---|
1411 | // recursively replace this macro
|
---|
1412 | expandstring (*packagehere, tempmacrovalue, outputtext, recursiondepth+1);
|
---|
1413 |
|
---|
1414 | return true;
|
---|
1415 | }
|
---|
1416 |
|
---|
1417 | if (logout != NULL) {
|
---|
1418 | (*logout) << text_t2ascii << "Warning: _" <<
|
---|
1419 | macropackage << ":" << macroname << "_ not found\n";
|
---|
1420 | }
|
---|
1421 |
|
---|
1422 | return false; // didn't find the macro
|
---|
1423 | }
|
---|
1424 |
|
---|
1425 |
|
---|
1426 | void displayclass::printdefaultmacros ()
|
---|
1427 | {
|
---|
1428 | defpackagemap::const_iterator packagemapit;
|
---|
1429 | defmacromap::const_iterator macromapit;
|
---|
1430 | defparammap::const_iterator parammapit;
|
---|
1431 | const mvalue *mvalueptr;
|
---|
1432 | outconvertclass text_t2ascii;
|
---|
1433 |
|
---|
1434 | text_t packagename, macroname, macroparam;
|
---|
1435 |
|
---|
1436 | for (packagemapit = defaultmacros->package_begin();
|
---|
1437 | packagemapit != defaultmacros->package_end();
|
---|
1438 | packagemapit++)
|
---|
1439 | {
|
---|
1440 | packagename = (*packagemapit).first;
|
---|
1441 | // cerr << "***package : \"" << packagename << "\"\n";
|
---|
1442 |
|
---|
1443 | for (macromapit = (*packagemapit).second.begin();
|
---|
1444 | macromapit != (*packagemapit).second.end();
|
---|
1445 | macromapit++)
|
---|
1446 | {
|
---|
1447 | macroname = (*macromapit).first;
|
---|
1448 | // cerr << "***macroname : \"" << macroname << "\"\n";
|
---|
1449 |
|
---|
1450 | for (parammapit = (*macromapit).second.begin();
|
---|
1451 | parammapit != (*macromapit).second.end();
|
---|
1452 | parammapit++)
|
---|
1453 | {
|
---|
1454 | macroparam = (*parammapit).first;
|
---|
1455 | mvalueptr = &((*parammapit).second);
|
---|
1456 | cerr << text_t2ascii << "package : \"" << packagename << "\"\n";
|
---|
1457 | cerr << text_t2ascii << "macroname : \"" << macroname << "\"\n";
|
---|
1458 | cerr << text_t2ascii << "parameters: [" << macroparam << "]\n";
|
---|
1459 | cerr << text_t2ascii << "filename : \"" << mvalueptr->filename << "\"\n";
|
---|
1460 | cerr << text_t2ascii << "value : {" << mvalueptr->value << "}\n\n";
|
---|
1461 | }
|
---|
1462 | }
|
---|
1463 | }
|
---|
1464 | }
|
---|
1465 |
|
---|
1466 | void displayclass::printallparams ()
|
---|
1467 | {
|
---|
1468 | text_tset::iterator text_tsetit;
|
---|
1469 | outconvertclass text_t2ascii;
|
---|
1470 |
|
---|
1471 | cerr << text_t2ascii << "** allparams\n";
|
---|
1472 | for (text_tsetit=allparams.begin();
|
---|
1473 | text_tsetit!=allparams.end();
|
---|
1474 | text_tsetit++) {
|
---|
1475 | cerr << text_t2ascii << (*text_tsetit) << "\n";
|
---|
1476 | }
|
---|
1477 | cerr << text_t2ascii << "\n";
|
---|
1478 | }
|
---|
1479 |
|
---|
1480 |
|
---|
1481 |
|
---|
1482 | /////////////////////////////////////
|
---|
1483 | // stuff to do tricky output
|
---|
1484 | /////////////////////////////////////
|
---|
1485 |
|
---|
1486 | displayclass &operator<< (outconvertclass &theoutc, displayclass &display)
|
---|
1487 | {
|
---|
1488 | display.setconvertclass (&theoutc);
|
---|
1489 | return display;
|
---|
1490 | }
|
---|
1491 |
|
---|
1492 | displayclass &operator<< (displayclass &display, const text_t &t)
|
---|
1493 | {
|
---|
1494 | outconvertclass *theoutc = display.getconvertclass();
|
---|
1495 |
|
---|
1496 | if (theoutc == NULL) return display;
|
---|
1497 |
|
---|
1498 | text_t output;
|
---|
1499 | display.expandstring (t, output);
|
---|
1500 | (*theoutc) << output;
|
---|
1501 |
|
---|
1502 | return display;
|
---|
1503 | }
|
---|
1504 |
|
---|