1 | /**********************************************************************
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2 | *
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3 | * cfgread.cpp --
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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 "cfgread.h"
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27 |
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28 | int write_ini_line (ofstream &fileout, const text_t &key, const text_t value) {
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29 | if (key.empty() || value.empty()) return -1;
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30 | outconvertclass text_t2ascii;
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31 | fileout << text_t2ascii << key << "=" << value << "\n";
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32 | return 0;
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33 | }
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34 |
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35 | int read_ini_line (ifstream &filein, text_t &key, text_t &value) {
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36 | if (filein.eof()) return -1;
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37 |
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38 | key.clear();
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39 | value.clear();
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40 | char c;
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41 | filein.get(c);
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42 |
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43 | int foundeq = 0;
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44 | while (!filein.eof() && c != '\n') {
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45 | if (!foundeq && c == '=') {foundeq = 1; filein.get(c);}
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46 |
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47 | if (foundeq) value.push_back(c);
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48 | else key.push_back(c);
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49 | filein.get(c);
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50 | }
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51 | if (key.empty()) return 0; // blank line maybe?
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52 | return 0;
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53 | }
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54 |
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55 | // write out line of values to cfgfile
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56 | // does nothing fancy - make sure no values contain carriage returns
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57 | int write_cfg_line (ofstream &fileout, const text_tarray &values) {
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58 | outconvertclass text_t2ascii;
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59 |
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60 | text_tarray::const_iterator here = values.begin();
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61 | text_tarray::const_iterator end = values.end();
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62 |
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63 | bool first = true;
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64 | while (here != end) {
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65 | if (first) fileout << text_t2ascii << *here;
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66 | else fileout << text_t2ascii << " \"" << *here << "\"";
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67 | first = false;
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68 | here ++;
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69 | }
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70 | fileout << "\n";
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71 | return 0;
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72 | }
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73 |
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74 | // returns 0 on success, -1 on failure
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75 | int read_cfg_line (ifstream &filein, text_tarray &values) {
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76 | // outconvertclass text_t2ascii;
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77 |
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78 | values.erase(values.begin(), values.end());
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79 |
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80 | if (!filein.good()) return -1;
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81 |
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82 | text_t curvalue;
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83 | char c, quote;
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84 |
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85 | bool linecontinues = true;
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86 | filein.get(c);
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87 | while (!filein.eof() && linecontinues) {
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88 | // eat up all return characters
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89 | while (!filein.eof() && (c=='\n' || c=='\r')) { filein.get(c); }
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90 |
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91 | // ignore comments
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92 | if (c == '#') {
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93 | while (!filein.eof() && c!='\n' && c!='\r') { filein.get(c); }
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94 | }
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95 |
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96 | // deal with all the records on this line
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97 | while (!filein.eof() && c!='\n' && c!='\r') {
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98 | // ignore white space
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99 | while (!filein.eof() && (c==' ' || c=='\t')) { filein.get(c); }
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100 |
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101 | // get the next record
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102 | if (c!='\n' && c!='\r') {
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103 | curvalue.clear();
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104 | quote = 0;
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105 |
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106 | // see if this is a quoted record
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107 | if (c=='\'' || c=='\"') {
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108 | quote = c;
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109 | filein.get(c);
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110 | }
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111 |
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112 | // get the value
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113 | while (!filein.eof() && c!='\n' && c!='\r') {
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114 | if (quote != 0 && c == quote) { // end of quote
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115 | filein.get(c);
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116 | break;
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117 | } else if (quote == 0 && (c == ' ' || c == '\t')) {
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118 | break; // space seperator
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119 | }
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120 | curvalue.push_back(c);
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121 | filein.get(c);
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122 | }
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123 |
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124 | // see if the record continues on the next line
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125 | if ((c=='\n' || c=='\r') && curvalue=="\\") {
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126 | linecontinues = true;
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127 | } else {
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128 | // cerr << text_t2ascii << "\"" << curvalue << "\" ";
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129 |
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130 | values.push_back(curvalue);
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131 | curvalue.clear();
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132 | linecontinues = false;
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133 | }
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134 | }
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135 | }
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136 | }
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137 |
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138 | // cerr << "\n";
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139 |
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140 | return 0;
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141 | }
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