xsl_transform.cc

#include "./xml_syntax_error.h"
#include "./xsl_transform.h"
#include "./xml_sax_parser.h"
#include "./xml_document.h"

namespace libxmljs {

inline v8::Handle<v8::Value>
BuildDoc(xmlDoc *doc, JsObj *errors) {
  if (doc == NULL) {
    xmlFreeDoc(doc);
    xmlError *error = xmlGetLastError();
    if (error) {
      return THROW_SYNTAX_ERROR(error);

    } else {
      return v8::ThrowException(v8::Exception::Error(
        v8::String::New("Could not parse XML string")));
    }
    return v8::Null();
  }

  v8::Handle<v8::Object> jsDoc =
    LXJS_GET_MAYBE_BUILD(XmlDocument, xmlDoc, doc);
  XmlDocument *document = LibXmlObj::Unwrap<XmlDocument>(jsDoc);
  document->errors = v8::Persistent<v8::Array>::Cast(
    JsObj::UnwrapNonXmlObj(errors));
  return jsDoc;
}

v8::Handle<v8::Value>
Transform(const v8::Arguments& args) {
  v8::HandleScope scope;

  if (!(args[0]->IsString() && args[1]->IsString()))
    return v8::ThrowException(v8::Exception::Error(
      v8::String::New("Must supply Transform with 2 strings")));

  v8::Local<v8::Array> jsErrArray = v8::Array::New();
  JsObj *errArray = JsObj::WrapNonXmlObj(jsErrArray);
  xmlResetLastError();
  xmlSetStructuredErrorFunc(reinterpret_cast<void *>(errArray),
                            XmlSyntaxError::PushToArray);

  v8::String::Utf8Value strxsl(args[0]->ToString());
  xmlDoc *style = xmlReadMemory(*strxsl, strxsl.length(), NULL, "UTF-8", 0);
  //xsltStylesheetPtr xslt = xsltParseStylesheetFile((const xmlChar *)*strxsl);
  xsltStylesheetPtr cur = xsltLoadStylesheetPI(style);
  cur = xsltParseStylesheetDoc(style);

  v8::String::Utf8Value strxml(args[1]->ToString());
  xmlDoc *xmldoc = xmlReadMemory(*strxml, strxml.length(), NULL, "UTF-8", 0);


const char *params[0];
	params[0] = NULL;
  xmlDoc *xmlres = xsltApplyStylesheet(cur, xmldoc, params);
  //xsltSaveResultToFile(stdout, res, cur);
  xmlSetStructuredErrorFunc(NULL, NULL);
	xsltFreeStylesheet(cur);
	xmlFreeDoc(xmldoc);

  return BuildDoc(xmlres, errArray);
}

void
XslTransform::Initialize(v8::Handle<v8::Object> target) {
  v8::HandleScope scope;

  LIBXMLJS_SET_METHOD(target,
                      "transform",
                      Transform);

  XmlSaxParser::Initialize(target);
}
}  // namespace libxmljs

xsl_transform.h

#ifndef SRC_XSL_TRANSFORM_H_
#define SRC_XSL_TRANSFORM_H_

#include "./libxmljs.h"

namespace libxmljs {

class XslTransform : public LibXmlObj {
  public:

  static void Initialize(v8::Handle<v8::Object> target);

  private:
  xsltStylesheetPtr *stylesheets;
  
};

}  // namespace libxmljs

#endif  // SRC_XSL_TRANSFORM_H_