libxml2 | 易学教程

Handling Surrogate pairs while parsing xml using libxml2

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问题 I am trying to parse xml using libxml2. However, sometimes I get code points of surrogate pairs in it which are outside the range specified in http://www.w3.org/TR/REC-xml/#NT-Char Because of this, my libxml2 parser is not able to parse it and thus I get error. Can somebody tell me how to handle surrogate pairs while parsing XML using libxml2. An example xml I want to parse is: <?xml version="1.0" encoding="UTF-8"?> <message><body> &#xD83D;&#xD83D;</body></message> 回答1: Note that xD83D is a

Can't get node with libxml2 and xpath

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问题 I have the following piece of code to find all elements from an HTML page: string AParser::cleanHTMLDocument(const string& aDoc) { vector<xmlNodePtr> nodesToRemove; xmlDocPtr doc = xmlParseDoc((xmlChar *)aDoc.c_str()); xmlXPathContextPtr context = xmlXPathNewContext(doc); xmlXPathObjectPtr result = xmlXPathEvalExpression( (const xmlChar *)string("//link").c_str(), context); if (xmlXPathNodeSetIsEmpty(result->nodesetval)) { xmlXPathFreeObject(result); xmlXPathFreeContext(context); xmlFreeDoc

Add a reference to an XSLT in Perl using only XML:LibXML

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问题 I have a XML created dynamically. However, I want to add a reference to an XSLT file in it, to be able to render the XML file as HTML in Mozilla. I want my final XML to start something like this: <?xml version="1.0" encoding="utf-8"?> <?xml-stylesheet type="text/xsl" href="xslt_stylesheet_file.xsl"?> <root_node> </root_node> I am not able to install XML::LibXSLT, so that is not a solution. Another solution would be to write the XML in a file, open it as a regular file and add the XSLT

Building the latest iconv and libxml2 binaries in Win32

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问题 I'm trying to get MinGW and MSYS working so I can build iconv and libxml2 in Windows, but I'm finding ./configure and make are giving lots of BSD/Unix related errors that aren't specific enough to google, and not descriptive enough for me to figure out. Can anybody go through some of the steps needed to get iconv and libxml2 .dll/.lib built on a Win32 machine? I'm updating the libraries for some software and I fiddled around with this all day today and haven't figured it out. I got the newest

Building the latest iconv and libxml2 binaries in Win32

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Building the latest iconv and libxml2 binaries in Win32

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Ubuntu Eclipse libxml2 error : fatal error: libxml/xmlversion.h: No such file or directory

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问题 I want to use libxml2 in my eclipse project. I can use this library on command line by " g++ main.cpp -I/usr/include/libxml2 -lxml2 -o output " But I can't use on eclipse.I add C++ Build->Setting->GCC C Compiler->Includes -I/usr/include/libxml2 and I add C++ Build->Setting->GCC C++ Linker->library -lxml2 But When I build my project, I get an error via libxml/parser.h:15:31: fatal error: libxml/xmlversion.h: No such file or directory 回答1: This is because libs are not complete. You should

iPhone libxml2 undefined symbols (with gdata, kissxml, touchxml, etc.)

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问题 I'm trying to use any one of the libxml based 3rd party XML parsers, but I can't because I think I have a libxml2 problem of some sort I set my other linker flags to -lxml2 and header search paths to /usr/include/libxml2 but I still get a ton of undefined symbols when I try to compile. The errors below are the result of trying to compile TouchXML. Undefined symbols: "_xmlDocDumpFormatMemory", referenced from: -[CXMLDocument description] in CXMLDocument.o "_xmlXPathNewContext", referenced from

#import <libxml/tree.h> file not found after xcode update

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问题 Lastnight I updated my iPhone to iOS 6.1, my current version of xcode wouldn't build to the phone as I needed the newest version. I went from xcode 4.5.2 to xcode 4.6, I made 0 changes in my project file. What used to compile completely fine, now gives me a file not found error #import <libxml/tree.h> 'libxml/tree.h' file not found I have my search paths correctly linked up with $(SDKROOT)/usr/include/libxml2 and libxml2 is linked and required in build phases. Edit: Peculiar I changed my

Simple libxml2 HTML parsing example, using Objective-c, Xcode, and HTMLparser.h

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问题 Please can somebody show me a simple example of parsing some HTML using libxml. #import <libxml2/libxml/HTMLparser.h> NSString *html = @"<ul>" "<li><input type=\"image\" name=\"input1\" value=\"string1value\" /></li>" "<li><input type=\"image\" name=\"input2\" value=\"string2value\" /></li>" "</ul>" "<span class=\"spantext\"><b>Hello World 1</b></span>" "<span class=\"spantext\"><b>Hello World 2</b></span>"; 1) Say I want to parse the value of the input whose name = input2. Should output