Make it possible to use svn-find-native-eols script without svn checkout.

[wxWidgets.git] / misc / languages / genlang.py

diff --git a/misc/languages/genlang.py b/misc/languages/genlang.py
index 02b0673756e0bd3b9a6dc389c4185556fb69fd25..f9c9ae635421e6161e7bdd9c719fc3fe28c77ac3 100755 (executable)
--- a/misc/languages/genlang.py
+++ b/misc/languages/genlang.py
@@ -1,17 +1,23 @@
 #!/usr/bin/env python
 
 #!/usr/bin/env python
 

+# Run this script from top-level wxWidgets directory to update the contents of
+# include/wx/intl.h and src/common/intl.cpp using information from langtabl.txt

 #
 #

-# This script must be ran from misc/languages subdirectory.
-#
-# It generates wxLanguage enum (to be cut&pasted to include/wx/intl.h)
-# and conversion tables (ditto to src/common/intl.cpp)
-#
+# Warning: error detection and reporting here is rudimentary, check if the
+# files were updated correctly with "svn diff" before committing them!

 
 

+import os

 import string
 import string

+import sys

 
 def ReadTable():
     table = []
 
 def ReadTable():
     table = []

-    f = open('langtabl.txt')
+    try:
+        f = open('misc/languages/langtabl.txt')
+    except:
+        print "Did you run the script from top-level wxWidgets directory?"
+        raise
+

     for i in f.readlines():
         ispl = i.split()
         table.append((ispl[0], ispl[1], ispl[2], ispl[3], ispl[4], string.join(ispl[5:])))
     for i in f.readlines():
         ispl = i.split()
         table.append((ispl[0], ispl[1], ispl[2], ispl[3], ispl[4], string.join(ispl[5:])))


@@ -19,12 +25,8 @@ def ReadTable():
     return table
 
 
     return table
 
 

-def GenEnum(table):
-   f = open('_wxlang.h', 'wt')
+def WriteEnum(f, table):

    f.write("""
    f.write("""

-
-// --- --- --- generated code begins here --- --- ---
-

 /**
     The languages supported by wxLocale.
 
 /**
     The languages supported by wxLocale.
 


@@ -50,13 +52,10 @@ enum wxLanguage
     wxLANGUAGE_USER_DEFINED
 };
 
     wxLANGUAGE_USER_DEFINED
 };
 

-// --- --- --- generated code ends here --- --- ---
-

 """)
 """)

-   f.close()

 
 
 
 

-def GenTable(table):
+def WriteTable(f, table):

    all_langs = []
    all_sublangs = []
 
    all_langs = []
    all_sublangs = []
 


@@ -88,10 +87,7 @@ def GenTable(table):
        if s != '0' and s != 'SUBLANG_DEFAULT':
            ifdefs += '#ifndef %s\n#define %s SUBLANG_DEFAULT\n#endif\n' % (s, s)
 
        if s != '0' and s != 'SUBLANG_DEFAULT':
            ifdefs += '#ifndef %s\n#define %s SUBLANG_DEFAULT\n#endif\n' % (s, s)
 

-   f = open('_wxlang.cpp', 'wt')

    f.write("""
    f.write("""

-// --- --- --- generated code begins here --- --- ---
-

 // This table is generated by misc/languages/genlang.py
 // When making changes, please put them into misc/languages/langtabl.txt
 
 // This table is generated by misc/languages/genlang.py
 // When making changes, please put them into misc/languages/langtabl.txt
 


@@ -119,21 +115,55 @@ def GenTable(table):
 void wxLocale::InitLanguagesDB()
 {
    wxLanguageInfo info;
 void wxLocale::InitLanguagesDB()
 {
    wxLanguageInfo info;

-   wxStringTokenizer tkn;

 
 %s
 }
 #undef LNG
 
 
 %s
 }
 #undef LNG
 

-// --- --- --- generated code ends here --- --- ---
-

 """ % (ifdefs, lngtable))
 """ % (ifdefs, lngtable))

-   f.close()
-
-

 
 
 
 

+def ReplaceGeneratedPartOfFile(fname, func):
+    """
+        Replaces the part of file marked with the special comments with the
+        output of func.
+
+        fname is the name of the input file and func must be a function taking
+        a file and language table on input and writing the appropriate chunk to
+        this file, e.g. WriteEnum or WriteTable.
+    """
+    fin = open(fname, 'rt')
+    fnameNew = fname + '.new'
+    fout = open(fnameNew, 'wt')
+    betweenBeginAndEnd = 0
+    afterEnd = 0
+    for l in fin.readlines():
+        if l == '// --- --- --- generated code begins here --- --- ---\n':
+            if betweenBeginAndEnd or afterEnd:
+                print 'Unexpected starting comment.'
+            betweenBeginAndEnd = 1
+            fout.write(l)
+            func(fout, table)
+        elif l == '// --- --- --- generated code ends here --- --- ---\n':
+            if not betweenBeginAndEnd:
+                print 'End comment found before the starting one?'
+                break
+
+            betweenBeginAndEnd = 0
+            afterEnd = 1
+
+        if not betweenBeginAndEnd:
+            fout.write(l)
+
+    if not afterEnd:
+        print 'Failed to process %s.' % fname
+        os.remove(fnameNew)
+        sys.exit(1)
+
+    os.remove(fname)
+    os.rename(fnameNew, fname)

 
 table = ReadTable()
 
 table = ReadTable()

-GenEnum(table)          # the enum is used also (thanks to doxygen) in the docs
-GenTable(table)
+ReplaceGeneratedPartOfFile('include/wx/language.h', WriteEnum)
+ReplaceGeneratedPartOfFile('interface/wx/language.h', WriteEnum)
+ReplaceGeneratedPartOfFile('src/common/languageinfo.cpp', WriteTable)