--- parser3/src/classes/Attic/dom.C 2001/09/10 14:24:37 1.11 +++ parser3/src/classes/Attic/dom.C 2001/09/13 12:40:03 1.18 @@ -5,7 +5,7 @@ Author: Alexander Petrosyan (http://design.ru/paf) */ -static const char *RCSId="$Id: dom.C,v 1.11 2001/09/10 14:24:37 parser Exp $"; +static const char *RCSId="$Id: dom.C,v 1.18 2001/09/13 12:40:03 parser Exp $"; #if _MSC_VER # pragma warning(disable:4291) // disable warning @@ -17,23 +17,33 @@ static const char *RCSId="$Id: dom.C,v 1 #include "pa_vdom.h" #include "pa_vfile.h" +#include #include #include #include #include #include -//#include #include #include #include #include +#include +#include #include -//#include // defines #define DOM_CLASS_NAME "dom" +#define DOM_OUTPUT_METHOD_OPTION_NAME "method" +#define DOM_OUTPUT_METHOD_OPTION_VALUE_XML "xml" +#define DOM_OUTPUT_METHOD_OPTION_VALUE_HTML "html" +#define DOM_OUTPUT_METHOD_OPTION_VALUE_TEXT "text" + +#define DOM_OUTPUT_ENCODING_OPTION_NAME "encoding" + +#define DOM_OUTPUT_DEFAULT_INDENT 4 + // class class MDom : public Methoded { @@ -49,6 +59,27 @@ public: // Methoded // methods +static void _set(Request& r, const String& method_name, MethodParams *params) { + Pool& pool=r.pool(); + VDom& vDom=*static_cast(r.self); + + Value& vxml=params->as_junction(0, "xml must be code"); + Temp_lang temp_lang(r, String::UL_XML); + const String& xml=r.process(vxml).as_string(); + + std::istrstream stream(xml.cstr()); + XalanParsedSource* parsedSource; + int error=vDom.get_transformer().parseSource(&stream, parsedSource); + + if(error) + PTHROW(0, 0, + &method_name, + vDom.get_transformer().getLastError()); + + // replace any previous parsed source + vDom.set_parsed_source(*parsedSource); +} + static void _load(Request& r, const String& method_name, MethodParams *params) { Pool& pool=r.pool(); VDom& vDom=*static_cast(r.self); @@ -57,16 +88,15 @@ static void _load(Request& r, const Stri const String& filename=params->as_string(0, "file name must not be code"); const char *filespec=r.absolute(filename).cstr(String::UL_FILE_NAME); - XSLTInputSource inputSource(filespec); XalanParsedSource* parsedSource; - int error=vDom.get_transformer().parseSource(inputSource, parsedSource); + int error=vDom.get_transformer().parseSource(filespec, parsedSource); if(error) PTHROW(0, 0, &filename, vDom.get_transformer().getLastError()); - // replace any previous node value + // replace any previous parsed source vDom.set_parsed_source(*parsedSource); } @@ -95,10 +125,10 @@ static void _throw(Pool& pool, const Str ); } -class ParserStringOutputStream: public XalanOutputStream { +class ParserStringXalanOutputStream: public XalanOutputStream { public: - explicit ParserStringOutputStream(String& astring) : fstring(astring) {} + explicit ParserStringXalanOutputStream(String& astring) : fstring(astring) {} protected: // XalanOutputStream @@ -117,13 +147,71 @@ private: }; +void create_optioned_listener( + const char *& content_type, FormatterListener *& listener, + Pool& pool, + const String& method_name, MethodParams *params, int index, Writer& writer) { + const String *method=0; + XalanDOMString xalan_encoding; + + Value& voptions=params->as_no_junction(index, "options must not be code"); + if(voptions.is_defined()) { + if(Hash *options=voptions.get_hash()) { + // $.method[xml|html|text] + if(Value *vmethod=static_cast(options->get(*new(pool) + String(pool, DOM_OUTPUT_METHOD_OPTION_NAME)))) + method=&vmethod->as_string(); + + // $.encoding[windows-1251|...] + if(Value *vencoding=static_cast(options->get(*new(pool) + String(pool, DOM_OUTPUT_ENCODING_OPTION_NAME)))) { + const char *cstr=vencoding->as_string().cstr(); + xalan_encoding.append(cstr, strlen(cstr)); + } + } else + PTHROW(0, 0, + &method_name, + "options must be hash"); + } + + if(!method/*default='xml'*/ || *method == DOM_OUTPUT_METHOD_OPTION_VALUE_XML) { + content_type="text/xml"; + listener=new FormatterToXML(writer, + XalanDOMString(), // version + true, // doIndent + DOM_OUTPUT_DEFAULT_INDENT, // indent + xalan_encoding // encoding + ); + } else if(*method == DOM_OUTPUT_METHOD_OPTION_VALUE_HTML) { + content_type="text/html"; + listener=new FormatterToHTML(writer, + xalan_encoding, // encoding + XalanDOMString(), // mediaType + XalanDOMString(), // doctypeSystem; String to be printed at the top of the document + XalanDOMString(), // doctypePublic + true, // doIndent + DOM_OUTPUT_DEFAULT_INDENT // indent + ); + } else if(*method == DOM_OUTPUT_METHOD_OPTION_VALUE_TEXT) { + content_type="text/plain"; + listener=new FormatterToText(writer, + xalan_encoding // encoding + ); + } else + PTHROW(0, 0, + method, + DOM_OUTPUT_METHOD_OPTION_NAME " option is invalid; valid methods are: " + "'" DOM_OUTPUT_METHOD_OPTION_VALUE_XML "', " + "'" DOM_OUTPUT_METHOD_OPTION_VALUE_HTML "', " + "'" DOM_OUTPUT_METHOD_OPTION_VALUE_TEXT "'"); + + // never reached +} + static void _save(Request& r, const String& method_name, MethodParams *params) { Pool& pool=r.pool(); VDom& vDom=*static_cast(r.self); - // encoding - const char *encoding=params->as_string(0, "encoding must not be code").cstr(); - // filespec const String& filename=params->as_string(1, "file name must not be code"); const char *filespec=r.absolute(filename).cstr(String::UL_FILE_NAME); @@ -134,13 +222,11 @@ static void _save(Request& r, const Stri try { XalanFileOutputStream stream(XalanDOMString(filespec, strlen(filespec))); XalanOutputStreamPrintWriter writer(stream); - FormatterToXML formatterListener(writer, - XalanDOMString(), // version - true , // doIndent - 4, // indent - XalanDOMString(encoding, strlen(encoding)) // encoding - ); - FormatterTreeWalker treeWalker(formatterListener); + const char *content_type; + FormatterListener *formatterListener; + create_optioned_listener(content_type, formatterListener, + pool, method_name, params, 0, writer); + FormatterTreeWalker treeWalker(*formatterListener); treeWalker.traverse(&document); // Walk the document and produce the XML... } catch(const XSLException& e) { _throw(pool, &method_name, e); @@ -151,27 +237,18 @@ static void _string(Request& r, const St Pool& pool=r.pool(); VDom& vDom=*static_cast(r.self); - // encoding - const char *encoding=params->as_string(0, "encoding must not be code").cstr(); - // document XalanDocument& document=vDom.get_document(pool, &method_name); try { String parserString=*new(pool) String(pool); - ParserStringOutputStream stream(parserString); + ParserStringXalanOutputStream stream(parserString); XalanOutputStreamPrintWriter writer(stream); - FormatterToXML formatterListener(writer, - XalanDOMString(), // version - true , // doIndent - 4, // indent - XalanDOMString(encoding, strlen(encoding)), // encoding - XalanDOMString(), // mediaType - XalanDOMString(), // doctypeSystem - XalanDOMString(), // doctypePublic - false // xmlDecl - ); - FormatterTreeWalker treeWalker(formatterListener); + const char *content_type; + FormatterListener *formatterListener; + create_optioned_listener(content_type, formatterListener, + pool, method_name, params, 0, writer); + FormatterTreeWalker treeWalker(*formatterListener); treeWalker.traverse(&document); // Walk the document and produce the XML... // write out result @@ -186,29 +263,24 @@ static void _file(Request& r, const Stri Pool& pool=r.pool(); VDom& vDom=*static_cast(r.self); - // encoding - const char *encoding=params->as_string(0, "encoding must not be code").cstr(); - // document XalanDocument& document=vDom.get_document(pool, &method_name); try { String& parserString=*new(pool) String(pool); - ParserStringOutputStream stream(parserString); + ParserStringXalanOutputStream stream(parserString); XalanOutputStreamPrintWriter writer(stream); - FormatterToXML formatterListener(writer, - XalanDOMString(), // version - true , // doIndent - 4, // indent - XalanDOMString(encoding, strlen(encoding)) // encoding - ); - FormatterTreeWalker treeWalker(formatterListener); + const char *content_type; + FormatterListener *formatterListener; + create_optioned_listener(content_type, formatterListener, + pool, method_name, params, 0, writer); + FormatterTreeWalker treeWalker(*formatterListener); treeWalker.traverse(&document); // Walk the document and produce the XML... // write out result VFile& vfile=*new(pool) VFile(pool); const char *cstr=parserString.cstr(); - vfile.set(false/*tainted*/, cstr, strlen(cstr), 0/*filename*/, new(pool) String(pool, "text/xml")); + vfile.set(false/*tainted*/, cstr, strlen(cstr), 0/*filename*/, new(pool) String(pool, content_type)); r.write_no_lang(vfile); } catch(const XSLException& e) { _throw(pool, &method_name, e); @@ -216,10 +288,32 @@ static void _file(Request& r, const Stri } +static void add_xslt_param(const Hash::Key& aattribute, Hash::Val *ameaning, + void *info) { + XalanTransformer& transformer=*static_cast(info); + const char *attribute_cstr=aattribute.cstr(); + const char *meaning_cstr=static_cast(ameaning)->as_string().cstr(); + + transformer.setStylesheetParam( + XalanDOMString(attribute_cstr, strlen(attribute_cstr)), + XalanDOMString(meaning_cstr, strlen(meaning_cstr))); +} static void _xslt(Request& r, const String& method_name, MethodParams *params) { Pool& pool=r.pool(); VDom& vDom=*static_cast(r.self); + // params + if(params->size()>1) { + Value& vparams=params->as_no_junction(1, "transform parameters parameter must not be code"); + if(vparams.is_defined()) + if(Hash *params=vparams.get_hash()) + params->for_each(add_xslt_param, &vDom.get_transformer()); + else + PTHROW(0, 0, + &method_name, + "transform parameters parameter must be hash"); + } + // source XalanParsedSource &parsed_source=vDom.get_parsed_source(pool, &method_name); @@ -228,9 +322,6 @@ static void _xslt(Request& r, const Stri const char *stylesheet_filespec=r.absolute(stylesheet_filename).cstr(String::UL_FILE_NAME); // target -// XercesDOMSupport domSupport; -// XercesParserLiaison parserLiaison(domSupport); -// XalanDocument* target=parserLiaison.createDocument(); XalanDocument* target=vDom.get_parser_liaison().createDocument(); XSLTResultTarget domResultTarget(target); @@ -252,21 +343,24 @@ static void _xslt(Request& r, const Stri MDom::MDom(Pool& apool) : Methoded(apool) { set_name(*NEW String(pool(), DOM_CLASS_NAME)); + // ^dom::set[xml] + add_native_method("set", Method::CT_DYNAMIC, _set, 1, 1); + // ^dom::load[some.xml] add_native_method("load", Method::CT_DYNAMIC, _load, 1, 1); - // ^dom.save[encoding;some.xml] + // ^dom.save[options hash;some.xml] add_native_method("save", Method::CT_DYNAMIC, _save, 2, 2); - // ^dom.string[encoding] + // ^dom.string[options hash] add_native_method("string", Method::CT_DYNAMIC, _string, 1, 1); - // ^dom.file[encoding] file with "" + // ^dom.file[options hash] file with "" add_native_method("file", Method::CT_DYNAMIC, _file, 1, 1); // ^dom.xslt[stylesheet filename] - /// ^dom.xslt[stylesheet filename;params hash] - add_native_method("xslt", Method::CT_DYNAMIC, _xslt, 1, 1); + // ^dom.xslt[stylesheet filename;params hash] + add_native_method("xslt", Method::CT_DYNAMIC, _xslt, 1, 2); } // global variable