From 51fb1aa8e0c61787d5ef3100d589c613761679c6 Mon Sep 17 00:00:00 2001
From: jamesb <jamesb@73c94f0f-984f-4a5f-82bc-2d8db8d8ee08>
Date: Wed, 24 Mar 2010 21:00:34 +0000
Subject: [PATCH] Make work with latest pyparsing

git-svn-id: https://code.ros.org/svn/opencv/trunk@2901 73c94f0f-984f-4a5f-82bc-2d8db8d8ee08
---
 opencv/doc/latex2sphinx/go             |  1 +
 opencv/doc/latex2sphinx/latex.py       |  7 ++++++-
 opencv/doc/latex2sphinx/latexparser.py | 10 +++++++---
 3 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/opencv/doc/latex2sphinx/go b/opencv/doc/latex2sphinx/go
index 905500d7..57a7863c 100644
--- a/opencv/doc/latex2sphinx/go
+++ b/opencv/doc/latex2sphinx/go
@@ -1,5 +1,6 @@
 #!/bin/bash
 
+mkdir -p c cpp py
 tput clear
 python latex.py ../online-opencv.tex || exit
 
diff --git a/opencv/doc/latex2sphinx/latex.py b/opencv/doc/latex2sphinx/latex.py
index 948ccb93..1c16cad3 100644
--- a/opencv/doc/latex2sphinx/latex.py
+++ b/opencv/doc/latex2sphinx/latex.py
@@ -46,6 +46,8 @@ class SphinxWriter:
             s = ":math:`%s`" % s[1:-1].strip()
         elif self.state != 'math':
             s.replace('\\_', '_')
+        if len(s) > 0 and s[-1] == '\n':
+            s = s[:-1]
         if self.state == 'fpreamble':
             self.description += s
         else:
@@ -192,9 +194,12 @@ class SphinxWriter:
             return
         s = str(c.params[0]).replace('\\_', '_')
         s = s.replace('\\par', '')
+        s = s.replace('\n', ' ')
         s = s.replace(';', '')
         self.indent = 0
-        print >>self, ".. cfunction:: " + s + "\n"
+        for proto in s.split('\\newline'):
+            if proto.strip() != "":
+                print >>self, "\n\n.. cfunction:: " + proto.strip() + "\n"
         # print >>self, "=", repr(c.params[0].str)
         print >>self, '    ' + self.description
         self.description = ""
diff --git a/opencv/doc/latex2sphinx/latexparser.py b/opencv/doc/latex2sphinx/latexparser.py
index 17f014f2..c3423400 100644
--- a/opencv/doc/latex2sphinx/latexparser.py
+++ b/opencv/doc/latex2sphinx/latexparser.py
@@ -44,8 +44,8 @@ ParserElement.setDefaultWhitespaceChars("\n\t")
 backslash = chr(92)
 
 texcmd = Forward()
-filler = CharsNotIn(backslash + '\n' + '$')
-filler2 = CharsNotIn(backslash + '\n' + '$' + '{}')
+filler = CharsNotIn(backslash + '$')
+filler2 = CharsNotIn(backslash + '$' + '{}')
 
 arg = '[' + CharsNotIn("]") + ']'
 arg.setParseAction(argfun)
@@ -68,8 +68,12 @@ texcmd.setParseAction(texcmdfun)
 document = ZeroOrMore(dollarmath | texcmd | filler) + StringEnd().suppress()
 
 if 0:
-    s = "\\frac{\\sum_{I, \\, \\texttt{mask}(I) \\ne 0} \\texttt{arr}(I)_c}{N}"
+    s = """Starting from OpenCV 2.0 the new modern C++ interface has been introduced.
+It is crisp (less typing is needed to code the same thing), type-safe 
+and, in general, more convenient to use. Here is a short example of what it looks like:"""
     print s
+    print filler.parseString(s)
+    sys.exit(-1)
     for t in document.parseString(s):
         if isinstance(t, TexCmd):
             print '====> cmd=[%s]' % t.cmd, t
-- 
2.39.2