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Feature #155 XPath - functions

This commit is contained in:
Zane U. Ji 2014-05-20 20:51:28 +08:00
parent 5a597cd71a
commit 2adc7a133a
3 changed files with 93 additions and 23 deletions
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1
ChangeLog
View File

@ -1,5 +1,6 @@
1.2.1.2
+ Feature #69 Add "current XPath" shortcut
+ Feature #155 XPath - functions
+ Click on the error message to jump to the error location
* Bug #99 fix desktop file (Marco Rodrigues)

114
src/wraplibxml.cpp
View File

@ -385,7 +385,6 @@ bool WrapLibxml::xpath ( const wxString &xpath, const std::string &utf8DocBuf,
xmlXPathContextPtr context = NULL;
xmlXPathObjectPtr result = NULL;
xmlNodeSetPtr nodeset = NULL;
context = xmlXPathNewContext ( docPtr );
if ( !context )
@ -406,28 +405,7 @@ bool WrapLibxml::xpath ( const wxString &xpath, const std::string &utf8DocBuf,
bool xpathIsValid = ( result ) ? true : false;
while ( result != NULL )
{
if ( xmlXPathNodeSetIsEmpty ( result->nodesetval ) )
break;
xmlBufferPtr bufferPtr = xmlBufferCreate();
if ( bufferPtr == NULL )
break;
nodeset = result->nodesetval;
for ( int i = 0; i < nodeset->nodeNr; i++ )
{
xmlNodePtr node = nodeset->nodeTab[i];
if ( !node )
break;
xmlNodeDump ( bufferPtr, NULL, node, 0, 1 );
output += ( const char * ) xmlBufferContent ( bufferPtr );
output += '\n';
xmlBufferEmpty ( bufferPtr );
}
xmlBufferFree ( bufferPtr );
break;
}
output = dumpXPathObject ( result );
xmlXPathFreeObject ( result );
xmlXPathFreeContext ( context );
@ -437,6 +415,96 @@ bool WrapLibxml::xpath ( const wxString &xpath, const std::string &utf8DocBuf,
return xpathIsValid;
}
std::string WrapLibxml::dumpXPathObject ( xmlXPathObjectPtr obj )
{
std::stringstream sstream;
if ( !obj )
return sstream.str();
switch ( obj->type )
{
case XPATH_NODESET:
{
if ( xmlXPathNodeSetIsEmpty ( obj->nodesetval ) )
break;
xmlBufferPtr bufferPtr = xmlBufferCreate();
if ( bufferPtr == NULL )
break;
xmlNodeSetPtr nodeset = obj->nodesetval;
for ( int i = 0; i < nodeset->nodeNr; i++ )
{
xmlNodePtr node = nodeset->nodeTab[i];
if ( !node )
break;
xmlNodeDump ( bufferPtr, NULL, node, 0/*level*/, TRUE/*format*/ );
sstream << ( const char * ) xmlBufferContent ( bufferPtr )
<< '\n';
xmlBufferEmpty ( bufferPtr );
}
xmlBufferFree ( bufferPtr );
break;
}
case XPATH_BOOLEAN:
sstream << !!obj->boolval;
break;
case XPATH_NUMBER:
switch ( xmlXPathIsInf ( obj->floatval ) )
{
case 1:
sstream << wxString ( _("Infinity") ).utf8_str();
break;
case -1:
sstream << wxString ( _("-Infinity") ).utf8_str();
break;
default:
if ( xmlXPathIsNaN ( obj->floatval ) )
sstream << wxString ( _("NaN") ).utf8_str();
else
sstream << obj->floatval;
break;
}
break;
case XPATH_STRING:
sstream << obj->stringval;
break;
case XPATH_POINT:
xmlBufferPtr bufferPtr;
bufferPtr = xmlBufferCreate();
if ( bufferPtr == NULL )
break;
xmlNodeDump ( bufferPtr, NULL, ( xmlNodePtr ) obj->user,
1/*level*/, TRUE/*format*/ );
sstream << xmlBufferContent ( bufferPtr );
xmlBufferFree ( bufferPtr );
break;
case XPATH_RANGE:
case XPATH_LOCATIONSET:
case XPATH_XSLT_TREE:
default:
FILE *fp = tmpfile();
xmlXPathDebugDumpObject ( fp, obj, 0/*depth*/ );
fpos_t size = ftell ( fp );
std::string str;
str.resize ( size );
fseek ( fp, 0, SEEK_SET );
fread ( ( char * ) str.c_str(), 1, str.capacity(), fp );
fclose ( fp );
return str;
}
return sstream.str();
}
bool WrapLibxml::xslt (
const wxString &styleFileName,
const std::string &utf8DocBuf,

1
src/wraplibxml.h
View File

@ -76,6 +76,7 @@ class WrapLibxml
const wxString &xpath,
const std::string &utf8DocBuf,
const wxString &docFileName );
std::string dumpXPathObject ( xmlXPathObjectPtr obj );
bool xslt (
const wxString &styleFileName,
const std::string &utf8DocBuf,