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1 /* |
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2 * This program is free software; you can redistribute it and/or modify |
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3 * it under the terms of the GNU General Public License as published by |
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4 * the Free Software Foundation; either version 2 of the License, or |
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5 * (at your option) any later version. |
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6 * |
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7 * This program is distributed in the hope that it will be useful, |
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8 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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10 * GNU General Public License for more details. |
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11 * |
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12 * You should have received a copy of the GNU General Public License |
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13 * along with this program; if not, write to the Free Software |
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14 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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15 * |
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16 * Jabber |
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17 * Copyright (C) 1998-1999 The Jabber Team http://jabber.org/ |
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18 */ |
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19 |
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20 #include <libxode.h> |
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21 |
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22 void expat_startElement(void* userdata, const char* name, const char** atts) |
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23 { |
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24 /* get the xmlnode pointed to by the userdata */ |
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25 xmlnode *x = userdata; |
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26 xmlnode current = *x; |
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27 |
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28 if (current == NULL) |
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29 { |
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30 /* allocate a base node */ |
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31 current = xmlnode_new_tag(name); |
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32 xmlnode_put_expat_attribs(current, atts); |
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33 *x = current; |
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34 } |
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35 else |
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36 { |
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37 *x = xmlnode_insert_tag(current, name); |
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38 xmlnode_put_expat_attribs(*x, atts); |
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39 } |
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40 } |
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41 |
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42 void expat_endElement(void* userdata, const char* name) |
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43 { |
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44 xmlnode *x = userdata; |
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45 xmlnode current = *x; |
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46 |
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47 current->complete = 1; |
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48 current = xmlnode_get_parent(current); |
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49 |
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50 /* if it's NULL we've hit the top folks, otherwise back up a level */ |
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51 if(current != NULL) |
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52 *x = current; |
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53 } |
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54 |
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55 void expat_charData(void* userdata, const char* s, int len) |
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56 { |
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57 xmlnode *x = userdata; |
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58 xmlnode current = *x; |
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59 |
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60 xmlnode_insert_cdata(current, s, len); |
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61 } |
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62 |
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63 |
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64 xmlnode xmlnode_str(char *str, int len) |
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65 { |
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66 XML_Parser p; |
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67 xmlnode *x, node; /* pointer to an xmlnode */ |
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68 |
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69 if(NULL == str) |
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70 return NULL; |
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71 |
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72 x = malloc(sizeof(void *)); |
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73 |
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74 *x = NULL; /* pointer to NULL */ |
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75 p = XML_ParserCreate(NULL); |
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76 XML_SetUserData(p, x); |
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77 XML_SetElementHandler(p, expat_startElement, expat_endElement); |
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78 XML_SetCharacterDataHandler(p, expat_charData); |
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79 if(!XML_Parse(p, str, len, 1)) |
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80 { |
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81 /* jdebug(ZONE,"xmlnode_str_error: %s",(char *)XML_ErrorString(XML_GetErrorCode(p)));*/ |
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82 xmlnode_free(*x); |
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83 *x = NULL; |
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84 } |
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85 node = *x; |
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86 free(x); |
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87 XML_ParserFree(p); |
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88 return node; /* return the xmlnode x points to */ |
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89 } |
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90 |
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91 xmlnode xmlnode_file(char *file) |
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92 { |
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93 XML_Parser p; |
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94 xmlnode *x, node; /* pointer to an xmlnode */ |
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95 char buf[BUFSIZ]; |
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96 int done, fd, len; |
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97 |
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98 if(NULL == file) |
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99 return NULL; |
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100 |
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101 fd = open(file,O_RDONLY); |
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102 if(fd < 0) |
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103 return NULL; |
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104 |
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105 x = malloc(sizeof(void *)); |
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106 |
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107 *x = NULL; /* pointer to NULL */ |
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108 p = XML_ParserCreate(NULL); |
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109 XML_SetUserData(p, x); |
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110 XML_SetElementHandler(p, expat_startElement, expat_endElement); |
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111 XML_SetCharacterDataHandler(p, expat_charData); |
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112 do{ |
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113 len = read(fd, buf, BUFSIZ); |
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114 done = len < BUFSIZ; |
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115 if(!XML_Parse(p, buf, len, done)) |
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116 { |
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117 /* jdebug(ZONE,"xmlnode_file_parseerror: %s",(char *)XML_ErrorString(XML_GetErrorCode(p)));*/ |
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118 xmlnode_free(*x); |
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119 *x = NULL; |
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120 done = 1; |
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121 } |
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122 }while(!done); |
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123 |
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124 node = *x; |
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125 XML_ParserFree(p); |
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126 free(x); |
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127 close(fd); |
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128 return node; /* return the xmlnode x points to */ |
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129 } |
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130 |
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131 int xmlnode2file(char *file, xmlnode node) |
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132 { |
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133 char *doc; |
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134 int fd, i; |
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135 |
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136 if(file == NULL || node == NULL) |
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137 return -1; |
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138 |
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139 fd = open(file, O_CREAT | O_WRONLY | O_TRUNC, 0600); |
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140 if(fd < 0) |
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141 return -1; |
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142 |
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143 doc = xmlnode2str(node); |
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144 i = write(fd,doc,strlen(doc)); |
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145 if(i < 0) |
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146 return -1; |
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147 |
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148 close(fd); |
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149 return 1; |
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150 } |
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151 |
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152 void xmlnode_put_expat_attribs(xmlnode owner, const char** atts) |
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153 { |
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154 int i = 0; |
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155 if (atts == NULL) return; |
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156 while (atts[i] != '\0') |
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157 { |
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158 xmlnode_put_attrib(owner, atts[i], atts[i+1]); |
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159 i += 2; |
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160 } |
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161 } |