--HG--

branch : pmacs2

mode/latex.py

@@ -1,6 +1,6 @@
-import color, mode
+import commands, os
+import color, method, mode
 from lex import Grammar, PatternRule, RegionRule
-from method import Method, CommentRegion, UncommentRegion
 
 class LatexGrammar(Grammar):
     rules = [
@@ -33,24 +33,72 @@ class Latex(mode.Fundamental):
         self.add_action_and_bindings(LatexInsertSquotes(), ("M-'",))
         self.add_action_and_bindings(LatexInsertDquotes(), ('M-"',))
         self.add_action_and_bindings(LatexInsertBraces(), ('M-{',))
+        self.add_action_and_bindings(LatexBuild(), ("C-c C-c",))
+        self.add_action(LatexBuildPdf())
+        self.add_action(LatexViewPdf())
 
-class LatexCommentRegion(CommentRegion):
+class LatexBuild(method.Method):
+    '''Insert a pair of LaTeX-style single-quotes into the buffer'''
+    buildcmd = 'latex'
+    def _build(self, w):
+        if w.buffer.changed():
+            return (True, 'Build Cancelled: unsaved buffer')
+        app = w.application
+        cmd = "%s '\\batchmode\\input %s' >/dev/null 2>&1" % (self.buildcmd,
+                                                              w.buffer.path)
+        status = os.system(cmd)
+        if status == 0:
+            return (True, 'Build OK')
+        else:
+            return (False, 'Build Error')
+    def _modpath(self, w, ext):
+        return os.path.splitext(w.buffer.path)[0] + ext
+    def _readlog(self, w):
+        logpath = self._modpath('.log')
+        f = open(logpath, 'r')
+        output = f.read()
+        f.close()
+        return output
+    def _execute(self, w, **vargs):
+        (ok, mesg) = self._build(w)
+        w.set_error(mesg)
+        if not ok:
+            output = self._readlog(w)
+            bufname = '*%s*' % self.name
+            w.application.data_buffer(bufname, output, switch_to=not ok)
+        return ok
+
+class LatexBuildPdf(LatexBuild):
+    '''Insert a pair of LaTeX-style single-quotes into the buffer'''
+    buildcmd = 'pdflatex'
+class LatexViewPdf(LatexBuildPdf):
+    '''Insert a pair of LaTeX-style single-quotes into the buffer'''
+    viewcmd = 'evince'
+    def _execute(self, w, **vargs):
+        ok = LatexBuildPdf._execute(self, w, **vargs)
+        if ok:
+            pid = os.fork()
+            if pid == 0:
+                pdfpath = self._modpath(w, '.pdf')
+                os.execvp(self.viewcmd, (self.viewcmd, pdfpath))
+
+class LatexCommentRegion(method.CommentRegion):
     commentc = '%'
-class LatexUncommentRegion(UncommentRegion):
+class LatexUncommentRegion(method.UncommentRegion):
     commentc = '%'
 
-class LatexInsertSquotes(Method):
+class LatexInsertSquotes(method.Method):
     '''Insert a pair of LaTeX-style single-quotes into the buffer'''
     def _execute(self, w, **vargs):
         w.insert_string_at_cursor("`'")
         w.backward()
-class LatexInsertDquotes(Method):
+class LatexInsertDquotes(method.Method):
     '''Insert a pair of LaTeX-style double-quotes into the buffer'''
     def _execute(self, w, **vargs):
         w.insert_string_at_cursor("``''")
         w.backward()
         w.backward()
-class LatexInsertBraces(Method):
+class LatexInsertBraces(method.Method):
     '''Insert a pair of curly braces into the buffer'''
     def _execute(self, w, **vargs):
         w.insert_string_at_cursor("{}")