Mercurial > repos > shellac > guppy_basecaller
annotate env/lib/python3.7/site-packages/lxml/includes/etree_defs.h @ 4:79f47841a781 draft
"planemo upload commit 2a0fe2cc28b09e101d37293e53e82f61762262ec"
author | shellac |
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date | Thu, 14 May 2020 16:47:39 -0400 |
parents | 26e78fe6e8c4 |
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rev | line source |
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0
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1 #ifndef HAS_ETREE_DEFS_H |
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2 #define HAS_ETREE_DEFS_H |
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3 |
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4 /* quick check for Python/libxml2/libxslt devel setup */ |
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5 #include "Python.h" |
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6 #ifndef PY_VERSION_HEX |
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7 # error the development package of Python (header files etc.) is not installed correctly |
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8 #else |
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9 # if PY_VERSION_HEX < 0x02070000 || PY_MAJOR_VERSION >= 3 && PY_VERSION_HEX < 0x03050000 |
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10 # error this version of lxml requires Python 2.7, 3.5 or later |
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11 # endif |
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12 #endif |
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13 |
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14 #include "libxml/xmlversion.h" |
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15 #ifndef LIBXML_VERSION |
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16 # error the development package of libxml2 (header files etc.) is not installed correctly |
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17 #else |
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18 #if LIBXML_VERSION < 20700 |
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19 # error minimum required version of libxml2 is 2.7.0 |
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20 #endif |
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21 #endif |
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22 |
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23 #include "libxslt/xsltconfig.h" |
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24 #ifndef LIBXSLT_VERSION |
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25 # error the development package of libxslt (header files etc.) is not installed correctly |
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26 #else |
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27 #if LIBXSLT_VERSION < 10123 |
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28 # error minimum required version of libxslt is 1.1.23 |
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29 #endif |
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30 #endif |
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31 |
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32 |
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33 /* v_arg functions */ |
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34 #define va_int(ap) va_arg(ap, int) |
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35 #define va_charptr(ap) va_arg(ap, char *) |
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36 |
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37 #ifdef PYPY_VERSION |
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38 # define IS_PYPY 1 |
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39 #else |
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40 # define IS_PYPY 0 |
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41 #endif |
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42 |
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43 #if PY_MAJOR_VERSION >= 3 |
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44 # define IS_PYTHON2 0 /* prefer for special casing Python 2.x */ |
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45 # define IS_PYTHON3 1 /* avoid */ |
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46 #else |
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47 # define IS_PYTHON2 1 |
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48 # define IS_PYTHON3 0 |
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49 #endif |
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50 |
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51 #if IS_PYTHON2 |
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52 #ifndef LXML_UNICODE_STRINGS |
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53 #define LXML_UNICODE_STRINGS 0 |
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54 #endif |
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55 #else |
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56 #undef LXML_UNICODE_STRINGS |
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57 #define LXML_UNICODE_STRINGS 1 |
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58 #endif |
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59 |
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60 #if !IS_PYPY |
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61 # define PyWeakref_LockObject(obj) (NULL) |
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62 #endif |
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63 |
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64 /* Threading is not currently supported by PyPy */ |
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65 #if IS_PYPY |
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66 # ifndef WITHOUT_THREADING |
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67 # define WITHOUT_THREADING |
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68 # endif |
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69 #endif |
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70 |
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71 #if IS_PYPY |
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72 # undef PyFile_AsFile |
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73 # define PyFile_AsFile(o) (NULL) |
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74 # undef PyByteArray_Check |
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75 # define PyByteArray_Check(o) (0) |
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76 #elif !IS_PYTHON2 |
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77 /* Python 3+ doesn't have PyFile_*() anymore */ |
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78 # define PyFile_AsFile(o) (NULL) |
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79 #endif |
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80 |
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81 #if PY_VERSION_HEX <= 0x03030000 && !(defined(CYTHON_PEP393_ENABLED) && CYTHON_PEP393_ENABLED) |
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82 #define PyUnicode_IS_READY(op) (0) |
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83 #define PyUnicode_GET_LENGTH(u) PyUnicode_GET_SIZE(u) |
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84 #define PyUnicode_KIND(u) (sizeof(Py_UNICODE)) |
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85 #define PyUnicode_DATA(u) ((void*)PyUnicode_AS_UNICODE(u)) |
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86 #endif |
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87 |
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88 #if IS_PYPY |
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89 # ifndef PyUnicode_FromFormat |
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90 # define PyUnicode_FromFormat PyString_FromFormat |
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91 # endif |
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92 # if !IS_PYTHON2 && !defined(PyBytes_FromFormat) |
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93 # ifdef PyString_FromFormat |
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94 # define PyBytes_FromFormat PyString_FromFormat |
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95 # else |
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96 #include <stdarg.h> |
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97 static PyObject* PyBytes_FromFormat(const char* format, ...) { |
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98 PyObject *string; |
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99 va_list vargs; |
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100 #ifdef HAVE_STDARG_PROTOTYPES |
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101 va_start(vargs, format); |
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102 #else |
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103 va_start(vargs); |
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104 #endif |
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105 string = PyUnicode_FromFormatV(format, vargs); |
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106 va_end(vargs); |
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107 if (string && PyUnicode_Check(string)) { |
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108 PyObject *bstring = PyUnicode_AsUTF8String(string); |
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109 Py_DECREF(string); |
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110 string = bstring; |
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111 } |
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112 if (string && !PyBytes_CheckExact(string)) { |
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113 Py_DECREF(string); |
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114 string = NULL; |
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115 PyErr_SetString(PyExc_TypeError, "String formatting and encoding failed to return bytes object"); |
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116 } |
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117 return string; |
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118 } |
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119 # endif |
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120 # endif |
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121 #endif |
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122 |
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123 /* PySlice_GetIndicesEx() has wrong signature in Py<=3.1 */ |
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124 #if PY_VERSION_HEX >= 0x03020000 |
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125 # define _lx_PySlice_GetIndicesEx(o, l, b, e, s, sl) PySlice_GetIndicesEx(o, l, b, e, s, sl) |
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126 #else |
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127 # define _lx_PySlice_GetIndicesEx(o, l, b, e, s, sl) PySlice_GetIndicesEx(((PySliceObject*)o), l, b, e, s, sl) |
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128 #endif |
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129 |
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130 #ifdef WITHOUT_THREADING |
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131 # undef PyEval_SaveThread |
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132 # define PyEval_SaveThread() (NULL) |
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133 # undef PyEval_RestoreThread |
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134 # define PyEval_RestoreThread(state) if (state); else {} |
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135 # undef PyGILState_Ensure |
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136 # define PyGILState_Ensure() (PyGILState_UNLOCKED) |
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137 # undef PyGILState_Release |
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138 # define PyGILState_Release(state) if (state); else {} |
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139 # undef Py_UNBLOCK_THREADS |
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140 # define Py_UNBLOCK_THREADS _save = NULL; |
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141 # undef Py_BLOCK_THREADS |
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142 # define Py_BLOCK_THREADS if (_save); else {} |
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143 #endif |
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144 |
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145 #ifdef WITHOUT_THREADING |
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146 # define ENABLE_THREADING 0 |
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147 #else |
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148 # define ENABLE_THREADING 1 |
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149 #endif |
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150 |
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151 #if LIBXML_VERSION < 20704 |
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152 /* FIXME: hack to make new error reporting compile in old libxml2 versions */ |
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153 # define xmlStructuredErrorContext NULL |
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154 # define xmlXIncludeProcessTreeFlagsData(n,o,d) xmlXIncludeProcessTreeFlags(n,o) |
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155 #endif |
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156 |
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157 /* schematron was added in libxml2 2.6.21 */ |
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158 #ifdef LIBXML_SCHEMATRON_ENABLED |
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159 # define ENABLE_SCHEMATRON 1 |
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160 #else |
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161 # define ENABLE_SCHEMATRON 0 |
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162 # define XML_SCHEMATRON_OUT_QUIET 0 |
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163 # define XML_SCHEMATRON_OUT_XML 0 |
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164 # define XML_SCHEMATRON_OUT_ERROR 0 |
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165 typedef void xmlSchematron; |
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166 typedef void xmlSchematronParserCtxt; |
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167 typedef void xmlSchematronValidCtxt; |
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168 # define xmlSchematronNewDocParserCtxt(doc) NULL |
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169 # define xmlSchematronNewParserCtxt(file) NULL |
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170 # define xmlSchematronParse(ctxt) NULL |
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171 # define xmlSchematronFreeParserCtxt(ctxt) |
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172 # define xmlSchematronFree(schema) |
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173 # define xmlSchematronNewValidCtxt(schema, options) NULL |
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174 # define xmlSchematronValidateDoc(ctxt, doc) 0 |
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175 # define xmlSchematronFreeValidCtxt(ctxt) |
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176 # define xmlSchematronSetValidStructuredErrors(ctxt, errorfunc, data) |
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177 #endif |
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178 |
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179 #if LIBXML_VERSION < 20708 |
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180 # define HTML_PARSE_NODEFDTD 4 |
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181 #endif |
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182 #if LIBXML_VERSION < 20900 |
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183 # define XML_PARSE_BIG_LINES 4194304 |
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184 #endif |
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185 |
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186 #include "libxml/tree.h" |
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187 #ifndef LIBXML2_NEW_BUFFER |
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188 typedef xmlBuffer xmlBuf; |
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189 # define xmlBufContent(buf) xmlBufferContent(buf) |
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190 # define xmlBufUse(buf) xmlBufferLength(buf) |
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191 #endif |
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192 |
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193 /* libexslt 1.1.25+ support EXSLT functions in XPath */ |
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194 #if LIBXSLT_VERSION < 10125 |
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195 #define exsltDateXpathCtxtRegister(ctxt, prefix) |
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196 #define exsltSetsXpathCtxtRegister(ctxt, prefix) |
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197 #define exsltMathXpathCtxtRegister(ctxt, prefix) |
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198 #define exsltStrXpathCtxtRegister(ctxt, prefix) |
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199 #endif |
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200 |
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201 #define LXML_GET_XSLT_ENCODING(result_var, style) XSLT_GET_IMPORT_PTR(result_var, style, encoding) |
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202 |
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203 /* work around MSDEV 6.0 */ |
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204 #if (_MSC_VER == 1200) && (WINVER < 0x0500) |
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205 long _ftol( double ); //defined by VC6 C libs |
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206 long _ftol2( double dblSource ) { return _ftol( dblSource ); } |
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207 #endif |
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208 |
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209 #ifdef __GNUC__ |
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210 /* Test for GCC > 2.95 */ |
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211 #if __GNUC__ > 2 || (__GNUC__ == 2 && (__GNUC_MINOR__ > 95)) |
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212 #define unlikely_condition(x) __builtin_expect((x), 0) |
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213 #else /* __GNUC__ > 2 ... */ |
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214 #define unlikely_condition(x) (x) |
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215 #endif /* __GNUC__ > 2 ... */ |
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216 #else /* __GNUC__ */ |
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217 #define unlikely_condition(x) (x) |
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218 #endif /* __GNUC__ */ |
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219 |
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220 #ifndef Py_TYPE |
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221 #define Py_TYPE(ob) (((PyObject*)(ob))->ob_type) |
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222 #endif |
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223 |
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224 #define PY_NEW(T) \ |
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225 (((PyTypeObject*)(T))->tp_new( \ |
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226 (PyTypeObject*)(T), __pyx_empty_tuple, NULL)) |
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227 |
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228 #define _fqtypename(o) ((Py_TYPE(o))->tp_name) |
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229 |
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230 #define lxml_malloc(count, item_size) \ |
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231 (unlikely_condition((size_t)(count) > (size_t) (PY_SSIZE_T_MAX / item_size)) ? NULL : \ |
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232 (PyMem_Malloc((count) * item_size))) |
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233 |
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234 #define lxml_realloc(mem, count, item_size) \ |
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235 (unlikely_condition((size_t)(count) > (size_t) (PY_SSIZE_T_MAX / item_size)) ? NULL : \ |
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236 (PyMem_Realloc(mem, (count) * item_size))) |
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237 |
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238 #define lxml_free(mem) PyMem_Free(mem) |
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239 |
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240 #if PY_MAJOR_VERSION < 3 |
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241 #define _isString(obj) (PyString_CheckExact(obj) || \ |
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242 PyUnicode_CheckExact(obj) || \ |
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243 PyType_IsSubtype(Py_TYPE(obj), &PyBaseString_Type)) |
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244 #else |
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245 /* builtin subtype type checks are almost as fast as exact checks in Py2.7+ |
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246 * and Unicode is more common in Py3 */ |
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247 #define _isString(obj) (PyUnicode_Check(obj) || PyBytes_Check(obj)) |
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248 #endif |
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249 |
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250 #define _isElement(c_node) \ |
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251 (((c_node)->type == XML_ELEMENT_NODE) || \ |
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252 ((c_node)->type == XML_COMMENT_NODE) || \ |
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253 ((c_node)->type == XML_ENTITY_REF_NODE) || \ |
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254 ((c_node)->type == XML_PI_NODE)) |
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255 |
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256 #define _isElementOrXInclude(c_node) \ |
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257 (_isElement(c_node) || \ |
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258 ((c_node)->type == XML_XINCLUDE_START) || \ |
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259 ((c_node)->type == XML_XINCLUDE_END)) |
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260 |
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261 #define _getNs(c_node) \ |
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262 (((c_node)->ns == 0) ? 0 : ((c_node)->ns->href)) |
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263 |
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264 |
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265 #include "string.h" |
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266 static void* lxml_unpack_xmldoc_capsule(PyObject* capsule, int* is_owned) { |
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267 xmlDoc *c_doc; |
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268 void *context; |
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269 *is_owned = 0; |
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270 if (unlikely_condition(!PyCapsule_IsValid(capsule, (const char*)"libxml2:xmlDoc"))) { |
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271 PyErr_SetString( |
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272 PyExc_TypeError, |
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273 "Not a valid capsule. The capsule argument must be a capsule object with name libxml2:xmlDoc"); |
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274 return NULL; |
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275 } |
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276 c_doc = (xmlDoc*) PyCapsule_GetPointer(capsule, (const char*)"libxml2:xmlDoc"); |
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277 if (unlikely_condition(!c_doc)) return NULL; |
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278 |
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279 if (unlikely_condition(c_doc->type != XML_DOCUMENT_NODE && c_doc->type != XML_HTML_DOCUMENT_NODE)) { |
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280 PyErr_Format( |
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281 PyExc_ValueError, |
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282 "Illegal document provided: expected XML or HTML, found %d", (int)c_doc->type); |
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283 return NULL; |
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284 } |
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285 |
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286 context = PyCapsule_GetContext(capsule); |
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287 if (unlikely_condition(!context && PyErr_Occurred())) return NULL; |
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288 if (context && strcmp((const char*) context, "destructor:xmlFreeDoc") == 0) { |
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289 /* take ownership by setting destructor to NULL */ |
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290 if (PyCapsule_SetDestructor(capsule, NULL) == 0) { |
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291 /* ownership transferred => invalidate capsule by clearing its name */ |
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292 if (unlikely_condition(PyCapsule_SetName(capsule, NULL))) { |
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293 /* this should never happen since everything above succeeded */ |
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294 xmlFreeDoc(c_doc); |
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295 return NULL; |
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296 } |
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297 *is_owned = 1; |
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298 } |
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299 } |
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300 return c_doc; |
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301 } |
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302 |
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303 /* Macro pair implementation of a depth first tree walker |
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304 * |
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305 * Calls the code block between the BEGIN and END macros for all elements |
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306 * below c_tree_top (exclusively), starting at c_node (inclusively iff |
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307 * 'inclusive' is 1). The _ELEMENT_ variants will only stop on nodes |
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308 * that match _isElement(), the normal variant will stop on every node |
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309 * except text nodes. |
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310 * |
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311 * To traverse the node and all of its children and siblings in Pyrex, call |
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312 * cdef xmlNode* some_node |
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313 * BEGIN_FOR_EACH_ELEMENT_FROM(some_node.parent, some_node, 1) |
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314 * # do something with some_node |
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315 * END_FOR_EACH_ELEMENT_FROM(some_node) |
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316 * |
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317 * To traverse only the children and siblings of a node, call |
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318 * cdef xmlNode* some_node |
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319 * BEGIN_FOR_EACH_ELEMENT_FROM(some_node.parent, some_node, 0) |
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320 * # do something with some_node |
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321 * END_FOR_EACH_ELEMENT_FROM(some_node) |
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322 * |
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323 * To traverse only the children, do: |
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324 * cdef xmlNode* some_node |
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325 * some_node = parent_node.children |
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326 * BEGIN_FOR_EACH_ELEMENT_FROM(parent_node, some_node, 1) |
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327 * # do something with some_node |
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328 * END_FOR_EACH_ELEMENT_FROM(some_node) |
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329 * |
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330 * NOTE: 'some_node' MUST be a plain 'xmlNode*' ! |
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331 * |
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332 * NOTE: parent modification during the walk can divert the iterator, but |
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333 * should not segfault ! |
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334 */ |
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335 |
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336 #define _LX__ELEMENT_MATCH(c_node, only_elements) \ |
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337 ((only_elements) ? (_isElement(c_node)) : 1) |
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338 |
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339 #define _LX__ADVANCE_TO_NEXT(c_node, only_elements) \ |
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340 while ((c_node != 0) && (!_LX__ELEMENT_MATCH(c_node, only_elements))) \ |
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341 c_node = c_node->next; |
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342 |
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343 #define _LX__TRAVERSE_TO_NEXT(c_stop_node, c_node, only_elements) \ |
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344 { \ |
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345 /* walk through children first */ \ |
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346 xmlNode* _lx__next = c_node->children; \ |
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347 if (_lx__next != 0) { \ |
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348 if (c_node->type == XML_ENTITY_REF_NODE || c_node->type == XML_DTD_NODE) { \ |
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349 _lx__next = 0; \ |
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350 } else { \ |
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351 _LX__ADVANCE_TO_NEXT(_lx__next, only_elements) \ |
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352 } \ |
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353 } \ |
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354 if ((_lx__next == 0) && (c_node != c_stop_node)) { \ |
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355 /* try siblings */ \ |
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356 _lx__next = c_node->next; \ |
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357 _LX__ADVANCE_TO_NEXT(_lx__next, only_elements) \ |
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358 /* back off through parents */ \ |
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359 while (_lx__next == 0) { \ |
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360 c_node = c_node->parent; \ |
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361 if (c_node == 0) \ |
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362 break; \ |
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363 if (c_node == c_stop_node) \ |
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364 break; \ |
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365 if ((only_elements) && !_isElement(c_node)) \ |
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366 break; \ |
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367 /* we already traversed the parents -> siblings */ \ |
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368 _lx__next = c_node->next; \ |
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369 _LX__ADVANCE_TO_NEXT(_lx__next, only_elements) \ |
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370 } \ |
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371 } \ |
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372 c_node = _lx__next; \ |
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373 } |
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374 |
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375 #define _LX__BEGIN_FOR_EACH_FROM(c_tree_top, c_node, inclusive, only_elements) \ |
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376 { \ |
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377 if (c_node != 0) { \ |
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378 const xmlNode* _lx__tree_top = (c_tree_top); \ |
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379 const int _lx__only_elements = (only_elements); \ |
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380 /* make sure we start at an element */ \ |
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381 if (!_LX__ELEMENT_MATCH(c_node, _lx__only_elements)) { \ |
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382 /* we skip the node, so 'inclusive' is irrelevant */ \ |
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383 if (c_node == _lx__tree_top) \ |
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384 c_node = 0; /* nothing to traverse */ \ |
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385 else { \ |
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386 c_node = c_node->next; \ |
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387 _LX__ADVANCE_TO_NEXT(c_node, _lx__only_elements) \ |
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388 } \ |
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389 } else if (! (inclusive)) { \ |
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390 /* skip the first node */ \ |
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391 _LX__TRAVERSE_TO_NEXT(_lx__tree_top, c_node, _lx__only_elements) \ |
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392 } \ |
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393 \ |
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394 /* now run the user code on the elements we find */ \ |
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395 while (c_node != 0) { \ |
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396 /* here goes the code to be run for each element */ |
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397 |
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398 #define _LX__END_FOR_EACH_FROM(c_node) \ |
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399 _LX__TRAVERSE_TO_NEXT(_lx__tree_top, c_node, _lx__only_elements) \ |
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400 } \ |
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401 } \ |
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402 } |
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403 |
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404 |
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405 #define BEGIN_FOR_EACH_ELEMENT_FROM(c_tree_top, c_node, inclusive) \ |
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406 _LX__BEGIN_FOR_EACH_FROM(c_tree_top, c_node, inclusive, 1) |
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407 |
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408 #define END_FOR_EACH_ELEMENT_FROM(c_node) \ |
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409 _LX__END_FOR_EACH_FROM(c_node) |
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410 |
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411 #define BEGIN_FOR_EACH_FROM(c_tree_top, c_node, inclusive) \ |
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412 _LX__BEGIN_FOR_EACH_FROM(c_tree_top, c_node, inclusive, 0) |
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413 |
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414 #define END_FOR_EACH_FROM(c_node) \ |
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415 _LX__END_FOR_EACH_FROM(c_node) |
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416 |
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417 |
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418 #endif /* HAS_ETREE_DEFS_H */ |