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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 const ENCODING *NS(XmlGetUtf8InternalEncoding)() |
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21 { |
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22 return &ns(internal_utf8_encoding).enc; |
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23 } |
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24 |
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25 const ENCODING *NS(XmlGetUtf16InternalEncoding)() |
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26 { |
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27 #if XML_BYTE_ORDER == 12 |
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28 return &ns(internal_little2_encoding).enc; |
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29 #elif XML_BYTE_ORDER == 21 |
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30 return &ns(internal_big2_encoding).enc; |
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31 #else |
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32 const short n = 1; |
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33 return *(const char *)&n ? &ns(internal_little2_encoding).enc : &ns(internal_big2_encoding).enc; |
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34 #endif |
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35 } |
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36 |
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37 static |
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38 const ENCODING *NS(encodings)[] = { |
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39 &ns(latin1_encoding).enc, |
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40 &ns(ascii_encoding).enc, |
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41 &ns(utf8_encoding).enc, |
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42 &ns(big2_encoding).enc, |
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43 &ns(big2_encoding).enc, |
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44 &ns(little2_encoding).enc, |
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45 &ns(utf8_encoding).enc /* NO_ENC */ |
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46 }; |
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47 |
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48 static |
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49 int NS(initScanProlog)(const ENCODING *enc, const char *ptr, const char *end, |
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50 const char **nextTokPtr) |
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51 { |
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52 return initScan(NS(encodings), (const INIT_ENCODING *)enc, XML_PROLOG_STATE, ptr, end, nextTokPtr); |
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53 } |
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54 |
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55 static |
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56 int NS(initScanContent)(const ENCODING *enc, const char *ptr, const char *end, |
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57 const char **nextTokPtr) |
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58 { |
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59 return initScan(NS(encodings), (const INIT_ENCODING *)enc, XML_CONTENT_STATE, ptr, end, nextTokPtr); |
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60 } |
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61 |
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62 int NS(XmlInitEncoding)(INIT_ENCODING *p, const ENCODING **encPtr, const char *name) |
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63 { |
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64 int i = getEncodingIndex(name); |
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65 if (i == UNKNOWN_ENC) |
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66 return 0; |
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67 INIT_ENC_INDEX(p) = (char)i; |
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68 p->initEnc.scanners[XML_PROLOG_STATE] = NS(initScanProlog); |
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69 p->initEnc.scanners[XML_CONTENT_STATE] = NS(initScanContent); |
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70 p->initEnc.updatePosition = initUpdatePosition; |
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71 p->encPtr = encPtr; |
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72 *encPtr = &(p->initEnc); |
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73 return 1; |
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74 } |
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75 |
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76 static |
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77 const ENCODING *NS(findEncoding)(const ENCODING *enc, const char *ptr, const char *end) |
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78 { |
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79 #define ENCODING_MAX 128 |
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80 char buf[ENCODING_MAX]; |
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81 char *p = buf; |
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82 int i; |
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83 XmlUtf8Convert(enc, &ptr, end, &p, p + ENCODING_MAX - 1); |
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84 if (ptr != end) |
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85 return 0; |
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86 *p = 0; |
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87 if (streqci(buf, "UTF-16") && enc->minBytesPerChar == 2) |
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88 return enc; |
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89 i = getEncodingIndex(buf); |
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90 if (i == UNKNOWN_ENC) |
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91 return 0; |
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92 return NS(encodings)[i]; |
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93 } |
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94 |
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95 int NS(XmlParseXmlDecl)(int isGeneralTextEntity, |
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96 const ENCODING *enc, |
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97 const char *ptr, |
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98 const char *end, |
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99 const char **badPtr, |
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100 const char **versionPtr, |
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101 const char **encodingName, |
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102 const ENCODING **encoding, |
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103 int *standalone) |
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104 { |
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105 return doParseXmlDecl(NS(findEncoding), |
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106 isGeneralTextEntity, |
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107 enc, |
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108 ptr, |
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109 end, |
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110 badPtr, |
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111 versionPtr, |
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112 encodingName, |
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113 encoding, |
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114 standalone); |
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115 } |