1) Matitaweb now disambiguates scripts as it runs them

[helm.git] / matitaB / matita / matitaweb.js

diff --git a/matitaB/matita/matitaweb.js b/matitaB/matita/matitaweb.js
index 38f8c97d01bb7b4b4f24f9ba7896baec28b803de..04787ce77d3961a0919ecf9faf0e7ba24ed64ce0 100644 (file)
--- a/matitaB/matita/matitaweb.js
+++ b/matitaB/matita/matitaweb.js
@@ -108,7 +108,7 @@ function suppressdefault(e,flag)
    return !flag;
 }
 
-function restoreSelection() {
+function restoreSelection(adjust) {
     unlocked.focus();
     if (savedRange != null) {
         if (window.getSelection)//non IE and there is already a selection
@@ -117,8 +117,7 @@ function restoreSelection() {
             if (s.rangeCount > 0) 
                 s.removeAllRanges();
            range = document.createRange();
-           range.startContainer = savedsc;
-           range.startOffset = savedso;
+           range.setStart(savedsc,savedso + adjust);
            range.collapse(true);
             s.addRange(range);
         }
@@ -134,6 +133,12 @@ function restoreSelection() {
                 }
     }
 }
+
+function lookup_tex(texmacro)
+{
+  texmacro = texmacro.substring(1);
+  return unescape(macro2utf8[texmacro]);
+}
  
 function keypress(e)
 {
@@ -147,13 +152,17 @@ function keypress(e)
          match = unlocked.innerHTML.substring(i,j);
          pre = unlocked.innerHTML.substring(0,i);
          post = unlocked.innerHTML.substring(j);
-         if (match == '\\to') {
-             unlocked.innerHTML = pre + "-> " + post;
-             restoreSelection(); 
+         
+         sym = lookup_tex(match);
+         if (typeof sym != "undefined") {
+            len1 = unlocked.innerText.length;
+             unlocked.innerHTML = pre + sym + post;
+            len2 = unlocked.innerText.length;
+             restoreSelection(len2 - len1); 
             return suppressdefault(e,true);
          }
          else {
-             restoreSelection(); 
+             // restoreSelection(0); 
             return suppressdefault(e,false);
          }
        }
@@ -340,15 +349,33 @@ String.prototype.sescape = function() {
        return (result);
 }
 
-String.prototype.unescapeHTML = function()
+String.prototype.html_to_matita = function()
 {
        var patt1 = /<br(\/|)>/gi;
-       var patt2 = /&lt;/gi;
-       var patt3 = /&gt;/gi;
+       var patt2 = /</gi
+       var patt3 = />/gi
+       var patt4 = /&lt;/gi;
+       var patt5 = /&gt;/gi;
        var result = this;
        result = result.replace(patt1,"\n");
-       result = result.replace(patt2,"<");
-       result = result.replace(patt3,">");
+       result = result.replace(patt2,"\005");
+       result = result.replace(patt3,"\006");
+       result = result.replace(patt4,"<");
+       result = result.replace(patt5,">");
+       return (unescape(result));
+}
+
+String.prototype.matita_to_html = function()
+{
+       var patt1 = /</gi
+       var patt2 = />/gi
+       var patt3 = /\005/gi;
+       var patt4 = /\006/gi;
+       var result = this;
+       result = result.replace(patt1,"&lt;");
+       result = result.replace(patt2,"&gt;");
+       result = result.replace(patt3,"<");
+       result = result.replace(patt4,">");
        return (unescape(result));
 }
 
@@ -440,13 +467,15 @@ function advanceForm1()
        processor = function(xml) {
                if (is_defined(xml)) {
                        // debug("advance: received response\nBEGIN\n" + req.responseText + "\nEND");
-                       len = parseInt(xml.getElementsByTagName("parsed")[0].getAttribute("length"));
+                       parsed = xml.getElementsByTagName("parsed")[0];
+                       len = parseInt(parsed.getAttribute("length"));
                        len0 = unlocked.innerHTML.length;
-                       unescaped = unlocked.innerHTML.unescapeHTML();
-                       parsedtxt = unescaped.substr(0,len); 
+                       unescaped = unlocked.innerHTML.html_to_matita();
+                       parsedtxt = parsed.childNodes[0].nodeValue;
+                       //parsedtxt = unescaped.substr(0,len); 
                        unparsedtxt = unescaped.substr(len);
-                       locked.innerHTML = locked.innerHTML + parsedtxt;
-                       unlocked.innerHTML = unparsedtxt;
+                       locked.innerHTML = locked.innerHTML + parsedtxt; //.matita_to_html();
+                       unlocked.innerHTML = unparsedtxt.matita_to_html();
                        len1 = unlocked.innerHTML.length;
                        len2 = len0 - len1;
                        metasenv = xml.getElementsByTagName("meta");
@@ -459,7 +488,7 @@ function advanceForm1()
                resume();
        };
        pause();
-        callServer("advance",processor,"body=" + (unlocked.innerHTML.unescapeHTML()).sescape());
+        callServer("advance",processor,"body=" + (unlocked.innerHTML.html_to_matita()).sescape());
   
 }
 
@@ -468,13 +497,15 @@ function gotoBottom()
        processor = function(xml) {
                if (is_defined(xml)) {
                        // debug("goto bottom: received response\nBEGIN\n" + req.responseText + "\nEND");
-                       len = parseInt(xml.getElementsByTagName("parsed")[0].getAttribute("length"));
+                       parsed = xml.getElementsByTagName("parsed")[0];
+                       len = parseInt(parsed.getAttribute("length"));
                        len0 = unlocked.innerHTML.length;
-                       unescaped = unlocked.innerHTML.unescapeHTML();
-                       parsedtxt = unescaped.substr(0,len); 
+                       unescaped = unlocked.innerHTML.html_to_matita();
+                       parsedtxt = parsed.childNodes[0].nodeValue;
+                       //parsedtxt = unescaped.substr(0,len); 
                        unparsedtxt = unescaped.substr(len);
-                       locked.innerHTML = locked.innerHTML + parsedtxt;
-                       unlocked.innerHTML = unparsedtxt;
+                       locked.innerHTML = locked.innerHTML + parsedtxt; //.matita_to_html();
+                       unlocked.innerHTML = unparsedtxt.matita_to_html();
                        len1 = unlocked.innerHTML.length;
                        len2 = len0 - len1;
                        metasenv = xml.getElementsByTagName("meta");
@@ -487,7 +518,7 @@ function gotoBottom()
                 resume();
        };
        pause();
-       callServer("bottom",processor,"body=" + (unlocked.innerHTML.unescapeHTML()).sescape());
+       callServer("bottom",processor,"body=" + (unlocked.innerHTML.html_to_matita()).sescape());
   
 }
 
@@ -499,14 +530,15 @@ function gotoPos(offset)
         }
        processor = function(xml) {
                if (is_defined(xml)) {
-                       // debug("goto pos: received response\nBEGIN\n" + req.responseText + "\nEND");
-                       len = parseInt(xml.getElementsByTagName("parsed")[0].getAttribute("length"));
+                       parsed = xml.getElementsByTagName("parsed")[0];
+                       len = parseInt(parsed.getAttribute("length"));
                        len0 = unlocked.innerHTML.length;
-                       unescaped = unlocked.innerHTML.unescapeHTML();
-                       parsedtxt = unescaped.substr(0,len); 
+                       unescaped = unlocked.innerHTML.html_to_matita();
+                       parsedtxt = parsed.childNodes[0].nodeValue;
+                       //parsedtxt = unescaped.substr(0,len); 
                        unparsedtxt = unescaped.substr(len);
-                       locked.innerHTML = locked.innerHTML + parsedtxt;
-                       unlocked.innerHTML = unparsedtxt;
+                       locked.innerHTML = locked.innerHTML + parsedtxt; //.matita_to_html();
+                       unlocked.innerHTML = unparsedtxt.matita_to_html();
                        len1 = unlocked.innerHTML.length;
                        len2 = len0 - len1;
                        metasenv = xml.getElementsByTagName("meta");
@@ -527,7 +559,7 @@ function gotoPos(offset)
                }
        }
        pause();
-       callServer("advance",processor,"body=" + (unlocked.innerHTML.unescapeHTML()).sescape());
+       callServer("advance",processor,"body=" + (unlocked.innerHTML.html_to_matita()).sescape());
 }
 
 function retract()
@@ -575,6 +607,7 @@ function retrieveFile(thefile)
        {
                if (is_defined(xml)) {  
                        locked.innerHTML = "";
+                       debug(xml.documentElement.textContent);
                        unlocked.innerHTML = xml.documentElement.textContent;
                } else {
                        debug("file open failed");