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xml-copy-editor-code
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Use memory rather than temporary files to pass XML content

This commit is contained in:
Zane U. Ji 2013-12-16 11:45:20 +08:00
parent b03707961c
commit d7bd982545
3 changed files with 72 additions and 92 deletions
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98
src/wraplibxml.cpp
View File

@ -526,72 +526,68 @@ bool WrapLibxml::bufferWellFormed ( const std::string& buffer )
}
int WrapLibxml::saveEncoding (
const std::string& buffer,
const std::string& fileName,
const std::string& encoding )
const std::string &utf8Buffer,
const wxString &fileNameSource,
const wxString &fileNameDestination,
wxMemoryBuffer *outputBuffer,
const wxString &encoding )
{
xmlParserCtxtPtr ctxt = xmlNewParserCtxt();
if ( !ctxt )
return -1;
xmlSubstituteEntitiesDefault ( 0 );
xmlKeepBlanksDefault ( 1 ); // prevents single-line output
xmlDocPtr docPtr = xmlCtxtReadMemory (
ctxt,
buffer.c_str(),
buffer.size(),
"",
NULL,
XML_PARSE_DTDLOAD | XML_PARSE_DTDVALID | XML_PARSE_PEDANTIC//XML_PARSE_NONET//XML_PARSE_DTDLOAD//0//(netAccess) ? XML_PARSE_DTDLOAD | XML_PARSE_NOENT : XML_PARSE_DTDLOAD | XML_PARSE_NONET | XML_PARSE_NOENT//0
);
if ( !docPtr )
{
xmlFreeParserCtxt ( ctxt );
return -1;
}
int result = xmlSaveFileEnc (
fileName.c_str(),
docPtr,
encoding.c_str() );
xmlFreeDoc ( docPtr );
xmlFreeParserCtxt ( ctxt );
return result;
return saveEncoding ( utf8Buffer.c_str(), utf8Buffer.length(),
fileNameSource, fileNameDestination, outputBuffer, encoding );
}
int WrapLibxml::saveEncodingFromFile (
const std::string& fileNameSource,
const std::string& fileNameDestination,
const std::string& encoding )
int WrapLibxml::saveEncoding (
const wxString &fileNameSource,
const wxString &fileNameDestination,
const wxString &encoding )
{
return saveEncoding ( NULL, 0, fileNameSource, fileNameDestination,
NULL, encoding );
}
int WrapLibxml::saveEncoding (
const char *utf8Buffer,
size_t utf8BufferSize,
const wxString &fileNameSource,
const wxString &fileNameDestination,
wxMemoryBuffer *outputBuffer,
const wxString &encoding )
{
xmlParserCtxtPtr ctxt = xmlNewParserCtxt();
if ( !ctxt )
return -1;
xmlSubstituteEntitiesDefault ( 0 );
xmlKeepBlanksDefault ( 1 ); // prevents single-line output
xmlDocPtr docPtr = xmlCtxtReadFile (
ctxt,
fileNameSource.c_str(),
NULL,
( netAccess ) ? XML_PARSE_DTDLOAD : XML_PARSE_DTDLOAD | XML_PARSE_NONET );//XML_PARSE_NONET//XML_PARSE_DTDLOAD//0//(netAccess) ? XML_PARSE_DTDLOAD | XML_PARSE_NOENT : XML_PARSE_DTDLOAD | XML_PARSE_NONET | XML_PARSE_NOENT//0
xmlDocPtr docPtr;
int flags = XML_PARSE_DTDLOAD | XML_PARSE_PEDANTIC /*| XML_PARSE_DTDVALID*/;//XML_PARSE_NONET//XML_PARSE_DTDLOAD//0//(netAccess) ? XML_PARSE_DTDLOAD | XML_PARSE_NOENT : XML_PARSE_DTDLOAD | XML_PARSE_NONET | XML_PARSE_NOENT//0
if ( !netAccess )
flags |= XML_PARSE_NONET;
if ( utf8Buffer != NULL )
docPtr = xmlCtxtReadMemory ( ctxt, utf8Buffer, utf8BufferSize,
CONV ( fileNameSource ), "UTF-8", flags );
else
docPtr = xmlCtxtReadFile ( ctxt, fileNameSource.c_str(), NULL, flags );
if ( !docPtr )
{
xmlFreeParserCtxt ( ctxt );
return -1;
}
int result = xmlSaveFileEnc (
fileNameDestination.c_str(),
int result;
if ( outputBuffer == NULL )
{
result = xmlSaveFileEnc (
CONV ( fileNameDestination ),
docPtr,
encoding.c_str() );
// ensure entity warnings are treated as errors!
if ( !getLastError().empty() )
result = -1;
encoding.utf8_str() );
}
else
{
xmlChar *buffer;
xmlDocDumpMemoryEnc ( docPtr, &buffer, &result,
encoding.utf8_str() );
outputBuffer->AppendData ( buffer, result );
xmlFree ( buffer );
}
xmlFreeDoc ( docPtr );
xmlFreeParserCtxt ( ctxt );

23
src/wraplibxml.h
View File

@ -82,13 +82,22 @@ class WrapLibxml
std::pair<int, int> getErrorPosition();
std::string getOutput();
int saveEncoding (
const std::string& buffer,
const std::string& fileName,
const std::string& encoding );
int saveEncodingFromFile (
const std::string& fileNameSource,
const std::string& fileNameDestination,
const std::string& encoding );
const std::string &utf8Buffer,
const wxString &fileNameSource,
const wxString &fileNameDestination,
wxMemoryBuffer *outputBuffer, /* Override fileNameDestination*/
const wxString &encoding );
int saveEncoding (
const wxString &fileNameSource,
const wxString &fileNameDestination,
const wxString &encoding );
int saveEncoding (
const char *utf8Buffer,
size_t utf8BufferSize,
const wxString &fileNameSource,
const wxString &fileNameDestination,
wxMemoryBuffer *outputBuffer, /* Override fileNameDestination*/
const wxString &encoding );
wxString catalogResolve (
const wxString &publicId,
const wxString &systemId );

41
src/xmlcopyeditor.cpp
View File

@ -4280,24 +4280,11 @@ void MyFrame::OnEncoding ( wxCommandEvent& event )
if ( scd.ShowModal() == wxID_CANCEL )
return;
wxString selection;
std::string selectionUtf8, bufferUtf8;
selection = scd.GetStringSelection();
selectionUtf8 = selection.mb_str ( wxConvUTF8 );
getRawText ( doc, bufferUtf8 );
XmlEncodingHandler::setUtf8 ( bufferUtf8, true );
WrapTempFileName tempFileName ( _T ( "" ) );
std::auto_ptr<WrapLibxml> wl ( new WrapLibxml ( libxmlNetAccess ) );
int res;
WrapTempFileName sourceFileName ( doc->getFullFileName() );
saveRawUtf8 ( sourceFileName.name(), bufferUtf8 );
res = wl->saveEncodingFromFile ( sourceFileName.name(), tempFileName.name(), selectionUtf8 );
wxMemoryBuffer output;
std::auto_ptr<WrapLibxml> wl ( new WrapLibxml ( libxmlNetAccess ) );
res = wl->saveEncoding ( doc->myGetTextRaw(), doc->getFullFileName(),
wxEmptyString, &output, scd.GetStringSelection() );
if ( res == -1 )
{
wxString wideError = wl->getLastError();
@ -4306,20 +4293,11 @@ void MyFrame::OnEncoding ( wxCommandEvent& event )
return;
}
std::string newBuffer;
bool success = ReadFile::run ( tempFileName.name(), newBuffer );
if ( !success )
{
messagePane ( _ ( "Cannot set encoding (cannot open temporary file)" ),
CONST_STOP );
return;
}
std::auto_ptr<XmlUtf8Reader> xur ( new XmlUtf8Reader (
false,
expandInternalEntities,
newBuffer.size() ) );
if ( !xur->parse ( newBuffer ) )
output.GetDataLen() ) );
if ( !xur->parse ( ( const char * ) output.GetData(), output.GetDataLen() ) )
{
messagePane ( _ ( "Cannot set encoding (cannot parse temporary file)" ),
CONST_STOP );
@ -4783,12 +4761,9 @@ bool MyFrame::saveFile ( XmlDoc *doc, wxString& fileName, bool checkLastModified
}
else // all other encodings handled by Libxml
{
XmlEncodingHandler::setUtf8 ( utf8Buffer );
auto_ptr<WrapLibxml> wl ( new WrapLibxml ( libxmlNetAccess ) );
WrapTempFileName sourceFileName ( fileName );
saveRawUtf8 ( sourceFileName.name(), utf8Buffer );
int result = wl->saveEncodingFromFile ( sourceFileName.name(), fileNameLocal, encoding );
int result = wl->saveEncoding ( utf8Buffer,
doc->getFullFileName(), fileName, NULL, encoding );
if ( result == -1 )
{
success = saveRawUtf8 ( fileNameLocal, utf8Buffer, false, isXml );