Removed faulty debug

[redakcja.git] / platforma / static / js / xslt.js

diff --git a/platforma/static/js/xslt.js b/platforma/static/js/xslt.js
index b12bc77..f5af909 100644 (file)
--- a/platforma/static/js/xslt.js
+++ b/platforma/static/js/xslt.js
@@ -1,153 +1,36 @@
-var MARGIN = {
-    dramat_wierszowany_l: 4,
-    dramat_wierszowany_lp: 4,
-    dramat_wspolczesny: 4,
-    wywiad: 4,
-    opowiadanie: 4,
-    powiesc: 4,
-    liryka_l: 4,
-    liryka_lp: 4,
-    naglowek_czesc: 4,
-    naglowek_akt: 4,
-    naglowek_rozdzial: 4,
-    naglowek_osoba: 4,
-    lista_osob: 4,
-    
-    akap: 3,
-    akap_cd: 3,
-    akap_dialog: 3,
-    strofa: 3,
-    motto: 3, 
-    miejsce_czas: 3,
-        
-    autor_utworu: 2,
-    nazwa_utworu: 2,
-    dzielo_nadrzedne: 2,
-    didaskalia: 2,
-    motto_podpis: 2,
-    naglowek_listy: 2,
-    
-    kwestia: 1,
-    lista_osoba: 1
-}
-
-MARGIN['rdf:RDF'] = 3;
-MARGIN['rdf:Description'] = 2;
-
-var blockTags = ['akap', 'akap_cd', 'akap_dialog', 'strofa', 'didaskalia', 'wers', 'wers_cd', 'wers_akap', 'wers_wciety', 'autor_utworu', 'nazwa_utworu', 'dzielo_nadrzedne', 'podpis'];
-function elementType(element) {
-    if (blockTags.indexOf(element.tagName) != -1) {
-        return 'inline';
-    } else {
-        return 'block';
-    }
-}
-
-// Serializuje XML, wstawiając odpowiednie ilości białych znaków między elementami
-function serialize(element, mode) {
-    if (!mode) {
-        mode = 'block';
-    }
-    
-    if (element.nodeType == 3) { // tekst
-       return [element.nodeValue];        
-    } else if (element.nodeType != 1) { // pomijamy węzły nie będące elementami XML ani tekstem
-        return [];
-    }
-    
-    var result = [];
-    var hasContent = false;
-    
-    
-    
-    if (MARGIN[element.tagName]) {
-        for (var i=0; i < MARGIN[element.tagName]; i++) {
-            result.push('\n');
-        };
-    } else if (element.tagName.indexOf('dc:') != -1) {
-        result.push('\n');
-    }
-    
-    result.push('<');
-    result.push(element.tagName);
-    
-    // Mozilla nie uważa deklaracji namespace za atrybuty | --lqc: bo nie są one atrybutami!
-    var ns = element.tagName.indexOf(':');
-    if (ns != -1 && $.browser.mozilla) {
-        result.push(' xmlns:');
-        result.push(element.tagName.substring(0, ns));
-        result.push('="');
-        result.push(element.namespaceURI);
-        result.push('"');
-    }
-    
-    if (element.attributes) {
-        for (var i=0; i < element.attributes.length; i++) {
-            var attr = element.attributes[i];
-            result.push(' ');
-            result.push(attr.name);
-            result.push('="');
-            result.push(attr.value);
-            result.push('"');
-            hasContent = true;
-        }
-    }
-    
-    if (element.childNodes.length == 0) {
-        result.push(' />');
-    } else {
-        result.push('>');
-
-        for (var i=0; i < element.childNodes.length; i++) {
-            result = result.concat(serialize(element.childNodes[i], 
-                mode == 'inline' ? 'inline' : elementType(element.childNodes[i])));
-        }
-
-        result.push('</');
-        result.push(element.tagName);
-        result.push('>');
-    }
-    
-    return result;
-};
-
-
+/*
+ * 
+ * XSLT STUFF
+ * 
+ */

 function createXSLT(xsl) {
     var p = new XSLTProcessor();
     p.importStylesheet(xsl);
     return p;
 }
 
 function createXSLT(xsl) {
     var p = new XSLTProcessor();
     p.importStylesheet(xsl);
     return p;
 }
 

-

 var xml2htmlStylesheet = null;
 var xml2htmlStylesheet = null;

-var html2xmlStylesheet = null;
-

 
 // Wykonuje block z załadowanymi arkuszami stylów
 
 // Wykonuje block z załadowanymi arkuszami stylów

-function withStylesheets(block, onError) {
-    if (xml2htmlStylesheet && html2xmlStylesheet) {
-        block();
-        return;
+function withStylesheets(code_block, onError) 
+{      
+    if (!xml2htmlStylesheet) {
+       $.blockUI({message: 'Ładowanie arkuszy stylów...'});
+       $.ajax({
+               url: STATIC_URL + 'xsl/wl2html_client.xsl',
+               dataType: 'xml',
+               success: function(data) {
+               xml2htmlStylesheet = createXSLT(data);
+                $.unblockUI();
+                               code_block();
+                 
+            },
+                       error: onError
+        })

     }
     }

-    $.blockUI({message: 'Ładowanie arkuszy stylów...'});
-    $.ajax({
-        url: STATIC_URL + 'xsl/wl2html_client.xsl',
-        dataType: 'xml',
-        success: function(data) {
-            xml2htmlStylesheet = createXSLT(data);
-            $.ajax({
-                url: STATIC_URL + 'xsl/html2wl_client.xsl',
-                dataType: 'xml',
-                success: function(data) {
-                    html2xmlStylesheet = createXSLT(data);
-                    $.unblockUI();
-                    block();
-                },
-                error: onError
-            })
-        },
-        error: onError
-    })
+       else {
+               code_block();
+       }

 }
 
 
 }
 
 


@@ -160,15 +43,21 @@ function xml2html(options) {
         var error = $('parsererror', doc);
         
         if (error.length == 0) {
         var error = $('parsererror', doc);
         
         if (error.length == 0) {

-            doc = xml2htmlStylesheet.transformToDocument(doc);
-                       console.log(doc);
+            doc = xml2htmlStylesheet.transformToFragment(doc, document);
+                       console.log(doc.firstChild);
+                       
+                       if(doc.firstChild === null) {
+                               options.error("Błąd w przetwarzaniu XML.");
+                               return;
+                       }
+                               

             error = $('parsererror', doc);
         }
         
         if (error.length > 0 && options.error) {
             options.error(error.text());
         } else {                       
             error = $('parsererror', doc);
         }
         
         if (error.length > 0 && options.error) {
             options.error(error.text());
         } else {                       

-            options.success(document.importNode(doc.documentElement, true));
+            options.success(doc.firstChild);

         }
     }, function() { options.error && options.error('Nie udało się załadować XSLT'); });
 }
         }
     }, function() { options.error && options.error('Nie udało się załadować XSLT'); });
 }


@@ -190,83 +79,295 @@ const XATTR_RE = /^x-attr-name-(.*)$/;
 
 const ELEM_START = 1;
 const ELEM_END = 2;
 
 const ELEM_START = 1;
 const ELEM_END = 2;

+const NS_END = 3;

 
 const NAMESPACES = {
 
 const NAMESPACES = {

-       undefined: "",
-       null: "",       
-       "": "",
-       "http://www.w3.org/1999/02/22-rdf-syntax-ns#": "rdf:",
-       "http://purl.org/dc/elements/1.1/": "dc:",
-       "http://www.w3.org/XML/1998/namespace": "xml:"
+       // namespaces not listed here will be assigned random names
+       "http://www.w3.org/1999/02/22-rdf-syntax-ns#": "rdf",
+       "http://purl.org/dc/elements/1.1/": "dc",
+       "http://www.w3.org/XML/1998/namespace": "xml"

 };
 
 };
 

-function html2text(rootElement) {
-       var stack = [];
-       var result = "";
+/*
+ * PADDING for pretty-printing
+ */
+const PADDING = {
+    dramat_wierszowany_l: 4,
+    dramat_wierszowany_lp: 4,
+    dramat_wspolczesny: 4,
+    wywiad: 4,
+    opowiadanie: 4,
+    powiesc: 4,
+    liryka_l: 4,
+    liryka_lp: 4,
+    naglowek_czesc: 4,
+    naglowek_akt: 4,
+    naglowek_rozdzial: 4,
+    naglowek_osoba: 4,
+    lista_osob: 4,
+    
+    akap: 3,
+    akap_cd: 3,
+    akap_dialog: 3,
+    strofa: 3,
+    motto: 3, 
+    miejsce_czas: 3,
+        
+    autor_utworu: 2,
+    nazwa_utworu: 2,
+    dzielo_nadrzedne: 2,
+       
+    didaskalia: 2,
+    motto_podpis: 2,
+    naglowek_listy: 2,
+    kwestia: 1,
+    lista_osoba: 1,
+       
+       "podpis": 1,    
+       "wers": 0,
+       "wers_cd": 0,
+       "wers_akap": 0,
+       "wers_wciety": 0,       
+       
+       "rdf:RDF": 3,
+       "rdf:Description": 1,   
+};
+
+function getPadding(name) {

        
        

-       stack.push([ELEM_START, rootElement]);  
-       console.log("SERIALIZING")
+       if(name.match(/^dc:.*$/))
+               return -1;

        
        

-       while( stack.length > 0) {
-               var pair = stack.pop();
+       if(PADDING[name])
+               return PADDING[name];

                
                

-               var event = pair[0];
-               var node = pair[1];
+       return 0;
+}
+
+function HTMLSerializer() {    
+       // empty constructor
+}
+
+
+
+HTMLSerializer.prototype._prepare = function() {
+       this.stack = [];
+       
+       // XML namespace is implicit
+       this.nsMap = {"http://www.w3.org/XML/1998/namespace": "xml"};

                
                

-               // console.log("NODE", event, node);
+       this.result = "";
+       this.nsCounter = 1;     
+}
+
+HTMLSerializer.prototype._pushElement = function(element) {
+       this.stack.push({
+               "type": ELEM_START,
+               "node": element
+       });     
+}
+
+HTMLSerializer.prototype._pushChildren = function(element) {
+       for(var i = element.childNodes.length-1; i >= 0; i--)
+               this._pushElement(element.childNodes.item(i));                                  
+}
+
+HTMLSerializer.prototype._pushTagEnd = function(tagName) {
+       this.stack.push({
+               "type": ELEM_END,
+               "tagName": tagName
+       });     
+}
+
+HTMLSerializer.prototype._verseBefore = function(node) {
+       var prev = node.previousSibling;
+       
+       while((prev !== null) && (prev.nodeType != ELEMENT_NODE)) {
+               prev = prev.previousSibling;
+       }       

                
                

-               if(event == ELEM_END) {
-                       result += "</" + node + ">\n";
+       return (prev !== null) && prev.hasAttribute('x-verse');
+}
+
+HTMLSerializer.prototype.serialize = function(rootElement, stripOuter) 
+{
+       var self = this;
+       self._prepare();
+       
+       if(!stripOuter)
+               self._pushElement(rootElement);
+       else    
+               self._pushChildren(rootElement);
+       
+       while(self.stack.length > 0) {
+               var token = self.stack.pop();
+                                               
+               if(token.type === ELEM_END) {
+                       self.result += "</" + token.tagName + ">";                                      
+                       for(var padding = getPadding(token.tagName); padding > 0; padding--) {                  
+                               self.result += "\n";                    
+                       }

                        continue;
                };
                
                        continue;
                };
                

-               switch(node.nodeType) {
+               if(token.type === NS_END) {
+                       self._unassignNamespace(token.namespace);
+                       continue;
+               } 
+               
+               
+               switch(token.node.nodeType) {

                        case ELEMENT_NODE:
                        case ELEMENT_NODE:

-                               if(!node.hasAttribute('x-node'))
+                               if(token.node.hasAttribute('x-pass-thru')) {
+                                       self._pushChildren(token.node);

                                        break;
                                        break;

-                                       
-                               var tag_name = NAMESPACES[node.getAttribute('x-ns')] + node.getAttribute('x-node');
-                               // console.log("ELEMENT: ", tag_name);
+                               }

                                
                                

-                               /* retrieve attributes */
-                               var attr_ids = [];
-                               for(var i=0; i < node.attributes.length; i++) {
-                                       var attr = node.attributes.item(i);
-                                       
-                                       // check if name starts with "x-attr-name"
-                                       var m = attr.name.match(XATTR_RE);
-                                       if(m !== null) 
-                                               attr_ids.push(m[1]);                                            
+                               if(!token.node.hasAttribute('x-node'))
+                                       break;

                                        
                                        

-                               };
-                               
-                               result += '<' + tag_name;
+                               var xnode = token.node.getAttribute('x-node');

                                
                                

-                               $.each(attr_ids, function() {                                                                           
-                                       result += ' ' + NAMESPACES[node.getAttribute('x-attr-ns-'+this)];
-                                       result += node.getAttribute('x-attr-name-'+this);
-                                       result += '="'+node.getAttribute('x-attr-value-'+this) +'"';
-                               });                                                             
-                               result += '>'
+                               if(xnode === 'wers') {
+                                       /* push children */
+                                       if(self._verseBefore(token.node))
+                                               self.result += '/\n';
+                                       self._pushChildren(token.node);
+                                       break;                                  
+                               };                                      

                                
                                

-                               stack.push([ELEM_END, tag_name]);
-                               for(var i = node.childNodes.length-1; i >= 0; i--)
-                                       stack.push([ELEM_START, node.childNodes.item(i)]);                              
-                               
-                               break;                  
+                               if(token.node.hasAttribute('x-verse') && self._verseBefore(token.node)) {
+                                       self.result += '/\n';                                   
+                               };
+                                       
+                               self._serializeElement(token.node);
+                               break;

                        case TEXT_NODE:
                        case TEXT_NODE:

-                               result += node.nodeValue;
+                               self.result += token.node.nodeValue;

                                break;
                                break;

-               }               
-       }
+               };
+       };

        
        

-       return result;
+       return this.result;

 }
 
 }
 

-function html2xml(options) {
+/*
+ * TODO: this doesn't support prefix redefinitions
+ */
+HTMLSerializer.prototype._unassignNamespace = function(nsData) {
+       this.nsMap[nsData.uri] = undefined;
+};
+       
+HTMLSerializer.prototype._assignNamespace = function(uri) {
+       if(uri === null) {
+               // default namespace
+               return ({"prefix": "", "uri": "", "fresh": false});
+       }
+       
+       if(this.nsMap[uri] === undefined) {
+               // this prefix hasn't been defined yet in current context       
+               var prefix = NAMESPACES[uri];
+               
+               if (prefix === undefined) { // not predefined
+                       prefix = "ns" + this.nsCounter;
+                       this.nsCounter += 1;
+               }
+               
+               this.nsMap[uri] = prefix;               
+               return ({
+                       "prefix": prefix,
+                       "uri": uri,
+                       "fresh": true
+               });                     
+       }       
+               
+       return ({"prefix": this.nsMap[uri], "uri": uri, "fresh": false});               
+};
+
+HTMLSerializer.prototype._join = function(prefix, name) {
+       if(!!prefix) 
+               return prefix + ":" + name;
+       return name;    
+};
+
+HTMLSerializer.prototype._rjoin = function(prefix, name) {
+       if(!!name) 
+               return prefix + ":" + name;
+       return prefix;  
+};
+                                       
+HTMLSerializer.prototype._serializeElement = function(node) {
+       var self = this;
+               
+       var ns = node.getAttribute('x-ns');
+       var nsPrefix = null;
+       var newNamespaces = [];
+       
+       var nsData = self._assignNamespace(node.getAttribute('x-ns'));
+       
+       if(nsData.fresh) {
+               newNamespaces.push(nsData);
+               self.stack.push({
+                       "type": NS_END,
+                       "namespace": nsData
+               });
+       }                                       
+       
+       var tagName = self._join(nsData.prefix, node.getAttribute('x-node'));
+                               
+       /* retrieve attributes */
+       var attributeIDs = [];
+       for (var i = 0; i < node.attributes.length; i++) {
+               var attr = node.attributes.item(i);
+               
+               // check if name starts with "x-attr-name"
+               var m = attr.name.match(XATTR_RE);
+               if (m !== null) 
+                       attributeIDs.push(m[1]);                                
+       };
+                               
+       /* print out */
+       if (getPadding(tagName))
+               self.result += '\n';
+               
+       self.result += '<' + tagName;   
+                                       
+       $.each(attributeIDs, function() {
+               var nsData = self._assignNamespace(node.getAttribute('x-attr-ns-'+this));
+       
+               if(nsData.fresh) {
+                       newNamespaces.push(nsData);
+                       self.stack.push({
+                               "type": NS_END,
+                               "namespace": nsData
+                       });
+               };
+                                                                                                                       
+               self.result += ' ' + self._join(nsData.prefix, node.getAttribute('x-attr-name-'+this));
+               self.result += '="'+node.getAttribute('x-attr-value-'+this) +'"';
+       });
+       
+       /* print new namespace declarations */
+       $.each(newNamespaces, function() {
+               self.result += " " + self._rjoin("xmlns", this.prefix);
+               self.result += '="' + this.uri + '"';           
+       });                                     
+       
+       if (node.childNodes.length > 0) {
+               self.result += ">";
+               self._pushTagEnd(tagName);
+               self._pushChildren(node);
+       }
+       else {
+               self.result += "/>";
+       };
+};
+
+function html2text(params) {   

        try {
        try {

-               return options.success(html2text(options.htmlElement));
+               var s = new HTMLSerializer();
+               params.success( s.serialize(params.element, params.stripOuter) );

        } catch(e) {
        } catch(e) {

-               options.error("Nie udało się zserializować tekstu:" + e)
-       }    
-};
\ No newline at end of file
+               params.error("Nie udało się zserializować tekstu:" + e)
+       }       
+}
\ No newline at end of file