1 | /*
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2 | * Summary: set of utilities for the XSLT engine
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3 | * Description: interfaces for the utilities module of the XSLT engine.
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4 | * things like message handling, profiling, and other
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5 | * generally useful routines.
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6 | *
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7 | * Copy: See Copyright for the status of this software.
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8 | *
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9 | * Author: Daniel Veillard
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10 | */
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11 |
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12 | #ifndef __XML_XSLTUTILS_H__
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13 | #define __XML_XSLTUTILS_H__
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14 |
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15 | #include <libxslt/xsltconfig.h>
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16 | #ifdef HAVE_STDARG_H
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17 | #include <stdarg.h>
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18 | #endif
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19 | #include <libxml/xpath.h>
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20 | #include <libxml/dict.h>
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21 | #include <libxml/xmlerror.h>
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22 | #include "xsltexports.h"
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23 | #include "xsltInternals.h"
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24 |
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25 | #ifdef __cplusplus
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26 | extern "C" {
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27 | #endif
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28 |
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29 | /**
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30 | * XSLT_TODO:
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31 | *
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32 | * Macro to flag unimplemented blocks.
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33 | */
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34 | #define XSLT_TODO \
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35 | xsltGenericError(xsltGenericErrorContext, \
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36 | "Unimplemented block at %s:%d\n", \
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37 | __FILE__, __LINE__);
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38 |
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39 | /**
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40 | * XSLT_STRANGE:
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41 | *
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42 | * Macro to flag that a problem was detected internally.
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43 | */
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44 | #define XSLT_STRANGE \
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45 | xsltGenericError(xsltGenericErrorContext, \
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46 | "Internal error at %s:%d\n", \
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47 | __FILE__, __LINE__);
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48 |
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49 | /**
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50 | * IS_XSLT_ELEM:
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51 | *
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52 | * Checks that the element pertains to XSLT namespace.
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53 | */
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54 | #define IS_XSLT_ELEM(n) \
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55 | (((n) != NULL) && ((n)->ns != NULL) && \
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56 | (xmlStrEqual((n)->ns->href, XSLT_NAMESPACE)))
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57 |
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58 | /**
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59 | * IS_XSLT_NAME:
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60 | *
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61 | * Checks the value of an element in XSLT namespace.
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62 | */
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63 | #define IS_XSLT_NAME(n, val) \
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64 | (xmlStrEqual((n)->name, (const xmlChar *) (val)))
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65 |
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66 | /**
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67 | * IS_XSLT_REAL_NODE:
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68 | *
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69 | * Check that a node is a 'real' one: document, element, text or attribute.
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70 | */
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71 | #define IS_XSLT_REAL_NODE(n) \
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72 | (((n) != NULL) && \
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73 | (((n)->type == XML_ELEMENT_NODE) || \
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74 | ((n)->type == XML_TEXT_NODE) || \
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75 | ((n)->type == XML_CDATA_SECTION_NODE) || \
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76 | ((n)->type == XML_ATTRIBUTE_NODE) || \
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77 | ((n)->type == XML_DOCUMENT_NODE) || \
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78 | ((n)->type == XML_HTML_DOCUMENT_NODE) || \
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79 | ((n)->type == XML_COMMENT_NODE) || \
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80 | ((n)->type == XML_PI_NODE)))
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81 |
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82 | /*
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83 | * Our own version of namespaced atributes lookup.
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84 | */
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85 | XSLTPUBFUN xmlChar * XSLTCALL
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86 | xsltGetNsProp (xmlNodePtr node,
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87 | const xmlChar *name,
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88 | const xmlChar *nameSpace);
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89 | XSLTPUBFUN const xmlChar * XSLTCALL
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90 | xsltGetCNsProp (xsltStylesheetPtr style,
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91 | xmlNodePtr node,
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92 | const xmlChar *name,
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93 | const xmlChar *nameSpace);
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94 | XSLTPUBFUN int XSLTCALL
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95 | xsltGetUTF8Char (const unsigned char *utf,
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96 | int *len);
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97 |
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98 | /*
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99 | * XSLT Debug Tracing Tracing Types
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100 | */
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101 | typedef enum {
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102 | XSLT_TRACE_ALL = -1,
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103 | XSLT_TRACE_NONE = 0,
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104 | XSLT_TRACE_COPY_TEXT = 1<<0,
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105 | XSLT_TRACE_PROCESS_NODE = 1<<1,
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106 | XSLT_TRACE_APPLY_TEMPLATE = 1<<2,
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107 | XSLT_TRACE_COPY = 1<<3,
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108 | XSLT_TRACE_COMMENT = 1<<4,
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109 | XSLT_TRACE_PI = 1<<5,
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110 | XSLT_TRACE_COPY_OF = 1<<6,
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111 | XSLT_TRACE_VALUE_OF = 1<<7,
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112 | XSLT_TRACE_CALL_TEMPLATE = 1<<8,
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113 | XSLT_TRACE_APPLY_TEMPLATES = 1<<9,
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114 | XSLT_TRACE_CHOOSE = 1<<10,
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115 | XSLT_TRACE_IF = 1<<11,
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116 | XSLT_TRACE_FOR_EACH = 1<<12,
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117 | XSLT_TRACE_STRIP_SPACES = 1<<13,
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118 | XSLT_TRACE_TEMPLATES = 1<<14,
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119 | XSLT_TRACE_KEYS = 1<<15,
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120 | XSLT_TRACE_VARIABLES = 1<<16
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121 | } xsltDebugTraceCodes;
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122 |
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123 | /**
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124 | * XSLT_TRACE:
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125 | *
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126 | * Control the type of xsl debugtrace messages emitted.
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127 | */
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128 | #define XSLT_TRACE(ctxt,code,call) \
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129 | if (ctxt->traceCode && (*(ctxt->traceCode) & code)) \
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130 | call
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131 |
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132 | XSLTPUBFUN void XSLTCALL
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133 | xsltDebugSetDefaultTrace(xsltDebugTraceCodes val);
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134 | XSLTPUBFUN xsltDebugTraceCodes XSLTCALL
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135 | xsltDebugGetDefaultTrace(void);
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136 |
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137 | /*
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138 | * XSLT specific error and debug reporting functions.
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139 | */
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140 | XSLTPUBVAR xmlGenericErrorFunc xsltGenericError;
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141 | XSLTPUBVAR void *xsltGenericErrorContext;
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142 | XSLTPUBVAR xmlGenericErrorFunc xsltGenericDebug;
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143 | XSLTPUBVAR void *xsltGenericDebugContext;
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144 |
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145 | XSLTPUBFUN void XSLTCALL
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146 | xsltPrintErrorContext (xsltTransformContextPtr ctxt,
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147 | xsltStylesheetPtr style,
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148 | xmlNodePtr node);
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149 | XSLTPUBFUN void XSLTCALL
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150 | xsltMessage (xsltTransformContextPtr ctxt,
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151 | xmlNodePtr node,
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152 | xmlNodePtr inst);
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153 | XSLTPUBFUN void XSLTCALL
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154 | xsltSetGenericErrorFunc (void *ctx,
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155 | xmlGenericErrorFunc handler);
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156 | XSLTPUBFUN void XSLTCALL
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157 | xsltSetGenericDebugFunc (void *ctx,
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158 | xmlGenericErrorFunc handler);
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159 | XSLTPUBFUN void XSLTCALL
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160 | xsltSetTransformErrorFunc (xsltTransformContextPtr ctxt,
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161 | void *ctx,
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162 | xmlGenericErrorFunc handler);
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163 | XSLTPUBFUN void XSLTCALL
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164 | xsltTransformError (xsltTransformContextPtr ctxt,
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165 | xsltStylesheetPtr style,
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166 | xmlNodePtr node,
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167 | const char *msg,
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168 | ...);
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169 |
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170 | XSLTPUBFUN int XSLTCALL
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171 | xsltSetCtxtParseOptions (xsltTransformContextPtr ctxt,
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172 | int options);
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173 | /*
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174 | * Sorting.
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175 | */
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176 |
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177 | XSLTPUBFUN void XSLTCALL
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178 | xsltDocumentSortFunction (xmlNodeSetPtr list);
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179 | XSLTPUBFUN void XSLTCALL
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180 | xsltSetSortFunc (xsltSortFunc handler);
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181 | XSLTPUBFUN void XSLTCALL
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182 | xsltSetCtxtSortFunc (xsltTransformContextPtr ctxt,
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183 | xsltSortFunc handler);
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184 | XSLTPUBFUN void XSLTCALL
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185 | xsltDefaultSortFunction (xsltTransformContextPtr ctxt,
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186 | xmlNodePtr *sorts,
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187 | int nbsorts);
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188 | XSLTPUBFUN void XSLTCALL
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189 | xsltDoSortFunction (xsltTransformContextPtr ctxt,
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190 | xmlNodePtr * sorts,
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191 | int nbsorts);
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192 | XSLTPUBFUN xmlXPathObjectPtr * XSLTCALL
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193 | xsltComputeSortResult (xsltTransformContextPtr ctxt,
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194 | xmlNodePtr sort);
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195 |
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196 | /*
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197 | * QNames handling.
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198 | */
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199 |
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200 | XSLTPUBFUN const xmlChar * XSLTCALL
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201 | xsltSplitQName (xmlDictPtr dict,
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202 | const xmlChar *name,
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203 | const xmlChar **prefix);
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204 | XSLTPUBFUN const xmlChar * XSLTCALL
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205 | xsltGetQNameURI (xmlNodePtr node,
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206 | xmlChar **name);
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207 |
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208 | XSLTPUBFUN const xmlChar * XSLTCALL
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209 | xsltGetQNameURI2 (xsltStylesheetPtr style,
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210 | xmlNodePtr node,
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211 | const xmlChar **name);
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212 |
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213 | /*
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214 | * Output, reuse libxml I/O buffers.
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215 | */
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216 | XSLTPUBFUN int XSLTCALL
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217 | xsltSaveResultTo (xmlOutputBufferPtr buf,
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218 | xmlDocPtr result,
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219 | xsltStylesheetPtr style);
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220 | XSLTPUBFUN int XSLTCALL
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221 | xsltSaveResultToFilename (const char *URI,
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222 | xmlDocPtr result,
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223 | xsltStylesheetPtr style,
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224 | int compression);
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225 | XSLTPUBFUN int XSLTCALL
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226 | xsltSaveResultToFile (FILE *file,
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227 | xmlDocPtr result,
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228 | xsltStylesheetPtr style);
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229 | XSLTPUBFUN int XSLTCALL
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230 | xsltSaveResultToFd (int fd,
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231 | xmlDocPtr result,
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232 | xsltStylesheetPtr style);
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233 | XSLTPUBFUN int XSLTCALL
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234 | xsltSaveResultToString (xmlChar **doc_txt_ptr,
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235 | int * doc_txt_len,
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236 | xmlDocPtr result,
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237 | xsltStylesheetPtr style);
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238 |
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239 | /*
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240 | * XPath interface
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241 | */
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242 | XSLTPUBFUN xmlXPathCompExprPtr XSLTCALL
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243 | xsltXPathCompile (xsltStylesheetPtr style,
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244 | const xmlChar *str);
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245 |
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246 | /*
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247 | * Profiling.
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248 | */
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249 | XSLTPUBFUN void XSLTCALL
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250 | xsltSaveProfiling (xsltTransformContextPtr ctxt,
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251 | FILE *output);
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252 | XSLTPUBFUN xmlDocPtr XSLTCALL
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253 | xsltGetProfileInformation (xsltTransformContextPtr ctxt);
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254 |
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255 | XSLTPUBFUN long XSLTCALL
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256 | xsltTimestamp (void);
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257 | XSLTPUBFUN void XSLTCALL
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258 | xsltCalibrateAdjust (long delta);
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259 |
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260 | /**
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261 | * XSLT_TIMESTAMP_TICS_PER_SEC:
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262 | *
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263 | * Sampling precision for profiling
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264 | */
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265 | #define XSLT_TIMESTAMP_TICS_PER_SEC 100000l
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266 |
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267 | /*
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268 | * Hooks for the debugger.
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269 | */
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270 |
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271 | typedef enum {
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272 | XSLT_DEBUG_NONE = 0, /* no debugging allowed */
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273 | XSLT_DEBUG_INIT,
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274 | XSLT_DEBUG_STEP,
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275 | XSLT_DEBUG_STEPOUT,
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276 | XSLT_DEBUG_NEXT,
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277 | XSLT_DEBUG_STOP,
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278 | XSLT_DEBUG_CONT,
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279 | XSLT_DEBUG_RUN,
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280 | XSLT_DEBUG_RUN_RESTART,
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281 | XSLT_DEBUG_QUIT
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282 | } xsltDebugStatusCodes;
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283 |
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284 | XSLTPUBVAR int xslDebugStatus;
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285 |
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286 | typedef void (*xsltHandleDebuggerCallback) (xmlNodePtr cur, xmlNodePtr node,
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287 | xsltTemplatePtr templ, xsltTransformContextPtr ctxt);
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288 | typedef int (*xsltAddCallCallback) (xsltTemplatePtr templ, xmlNodePtr source);
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289 | typedef void (*xsltDropCallCallback) (void);
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290 |
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291 | XSLTPUBFUN void XSLTCALL
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292 | xsltSetDebuggerStatus (int value);
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293 | XSLTPUBFUN int XSLTCALL
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294 | xsltGetDebuggerStatus (void);
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295 | XSLTPUBFUN int XSLTCALL
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296 | xsltSetDebuggerCallbacks (int no, void *block);
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297 | XSLTPUBFUN int XSLTCALL
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298 | xslAddCall (xsltTemplatePtr templ,
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299 | xmlNodePtr source);
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300 | XSLTPUBFUN void XSLTCALL
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301 | xslDropCall (void);
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302 |
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303 | #ifdef __cplusplus
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304 | }
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305 | #endif
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306 |
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307 | #endif /* __XML_XSLTUTILS_H__ */
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308 |
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309 |
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