Add scripts to convert between our language json files and po format (Issue 416)

git-svn-id: http://svg-edit.googlecode.com/svn/trunk@1344 eee81c28-f429-11dd-99c0-75d572ba1ddd

editor/svgcanvas.js

@@ -3521,6 +3521,18 @@ function BatchCommand(text) {
 			var N = points.numberOfItems;
 			if (N >= 4) {
 				// loop through every 3 points and convert to a cubic bezier curve segment
+				// 
+				// NOTE: this is cheating, it means that every 3 points has the potential to 
+				// be a corner instead of treating each point in an equal manner.  In general,
+				// this technique does not look that good.
+				// 
+				// I am open to better ideas!
+				// 
+				// Reading:
+				// - http://www.efg2.com/Lab/Graphics/Jean-YvesQueinecBezierCurves.htm
+				// - http://www.codeproject.com/KB/graphics/BezierSpline.aspx?msg=2956963
+				// - http://www.ian-ko.com/ET_GeoWizards/UserGuide/smooth.htm
+				// - http://www.cs.mtu.edu/~shene/COURSES/cs3621/NOTES/spline/Bezier/bezier-der.html
 				var curpos = points.getItem(0), prevCtlPt = null;
 				var d = [];
 				d.push(["M",curpos.x,",",curpos.y," C"].join(""));

extras/tojson.py

@@ -0,0 +1,52 @@
+import sys, json, codecs
+infile = codecs.open(sys.argv[1], "r", "utf-8")
+outfile = codecs.open(sys.argv[1][:-3], "w", "utf-8")
+indata = infile.readlines()
+look = False
+out = "[\n"
+js = []
+jss = ""
+
+def readfrompos(pos):
+    global out
+    global js
+    
+    if (indata[pos].startswith("#, -x-svg-edit-title")) or (indata[pos].startswith("#, -x-svg-edit-textContent")):
+        out += '{'        
+        out += '"id": '
+        out += " ".join(indata[pos+1].split()[1:]) + ", "
+        out += '"' + line[15:].strip() + '": '
+        out += " ".join(indata[pos+2].split()[1:])
+        out += '}'
+    elif (indata[pos].startswith("#, -x-svg-edit-both")):
+        out += '{'        
+        out += '"id": '
+        out += " ".join(indata[pos+1].split()[1:]) + ", "
+        out += '"textContent": '
+        out += '"' + " ".join(indata[pos+2].split()[1:]).split('|')[1] + ', '        
+        out += '"title": '
+        out += " ".join(indata[pos+2].split()[1:]).split('|')[0] + '"'
+        out += '}'
+    elif (indata[pos].startswith("#, -x-svg-edit-js_strings")):
+        js.append((" ".join(indata[pos+1].split()[1:]), " ".join(indata[pos+2].split()[1:])))
+
+for pos, line in enumerate(indata):
+    if (not look) and (line.startswith('# ---')):
+        look = True
+        marker = pos
+    elif (look) and (line.startswith('#, -x-svg-edit')):
+        readfrompos(pos)
+
+js.sort()
+
+for j in js:
+    jss += "  %s: %s,\n" % (j[0], j[1])
+
+out += '{\n "js_strings": {\n'
+out += str(jss)
+out += '   "": ""\n }'
+out += "\n}"         
+out += "\n]"
+out = out.replace('}{', '},\n{')
+         
+outfile.write(out)

extras/topo.py

@@ -0,0 +1,39 @@
+import sys, json, codecs
+infile = json.load(codecs.open(sys.argv[1], "r", "utf-8"))
+outfile = codecs.open(sys.argv[1] + ".po", "w", "utf-8")
+out = []
+
+out.append("""# LANGUAGE FILE FOR SVG-EDIT, AUTOGENERATED BY TOPO.PY
+
+msgid ""
+msgstr ""
+"Content-Type: text/plain; charset=utf-8\\n"
+"Content-Transfer-Encoding: 8bit\\n"
+
+# ---
+
+""")
+
+def printstr(flag, i, s):
+    out.append('\n')
+    if flag == '-x-svg-edit-both':
+        out.append("# Enter the title first, then the contents, seperated by a pipe char (|)\n")
+    out.append("#, " + flag + '\n')
+    out.append("msgid \"" + i + "\"" + '\n')
+    out.append("msgstr \"" + s.replace('\n', '\\n') + "\"" + '\n')
+
+for line in infile:
+    if line.has_key('title') and line.has_key('textContent'):
+        printstr('-x-svg-edit-both', line['id'], "|".join(((line['title'], line['textContent']))))
+    elif line.has_key('title'):
+        printstr('-x-svg-edit-title', line['id'], line['title'])
+    elif line.has_key('textContent'):
+        printstr('-x-svg-edit-textContent', line['id'], line['textContent'])
+    elif line.has_key('js_strings'):
+        for i, s in line['js_strings'].items():
+            printstr('-x-svg-edit-js_strings', i, s)
+    else:
+        pass # The line wasn't really a string
+
+outfile.writelines(out)
+outfile.close()