X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b5e2a45022ad4d331564e8b69c294e23f11cfa2a..ab78328d2a81c8ef5f8211124b50f09687a207e7:/misc/languages/genlang.py

diff --git a/misc/languages/genlang.py b/misc/languages/genlang.py
index 878dfd37da..f9c9ae6354 100755
--- a/misc/languages/genlang.py
+++ b/misc/languages/genlang.py
@@ -1,15 +1,23 @@
 #!/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
 #
-# Generates wxLanguage enum (to be cut&pasted to include/wx/intl.h)
-# and convertion 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 sys
 
 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:])))
@@ -17,21 +25,22 @@ def ReadTable():
     return table
 
 
-def GenEnum(table):
-   f = open('_wxlang.h', 'wt')
+def WriteEnum(f, table):
    f.write("""
+/**
+    The languages supported by wxLocale.
 
-// --- --- --- generated code begins here --- --- ---
-
-// This enum is generated by misc/languages/genlang.py
-// When making changes, please put them into misc/languages/langtabl.txt
+    This enum is generated by misc/languages/genlang.py
+    When making changes, please put them into misc/languages/langtabl.txt
+*/
 enum wxLanguage
 {
-    // user's default/preffered language as got from OS:
-    wxLANGUAGE_DEFAULT, 
-    // unknown language, if wxLocale::GetSystemLanguage fails:
-    wxLANGUAGE_UNKNOWN, 
-    
+    /// User's default/preffered language as got from OS.
+    wxLANGUAGE_DEFAULT,
+
+    /// Unknown language, returned if wxLocale::GetSystemLanguage fails.
+    wxLANGUAGE_UNKNOWN,
+
 """);
    knownLangs = []
    for i in table:
@@ -39,51 +48,20 @@ enum wxLanguage
           f.write('    %s,\n' % i[0])
           knownLangs.append(i[0])
    f.write("""
-    // for custom, user-defined languages:
+    /// For custom, user-defined languages.
     wxLANGUAGE_USER_DEFINED
 };
 
-// --- --- --- generated code ends here --- --- ---
-
-""")
-   f.close()
-
-
-def GenDocs(table):
-   f = open('_wxlang.tex', 'wt')
-   f.write("""
-
-%% --- --- --- generated code begins here --- --- ---
-
-%% This enum is generated by misc/languages/genlang.py
-%% When making changes, please put them into misc/languages/langtabl.txt
-\\begin{twocollist}\\itemsep=0pt
-\\twocolitem{wxLANGUAGE\\_DEFAULT}{user's default language as obtained from the operating system}
-\\twocolitem{wxLANGUAGE\\_UNKNOWN}{returned by \\helpref{GetSystemLanguage}{wxlocalegetsystemlanguage} if it fails to detect the default language}
-\\twocolitem{wxLANGUAGE\\_USER\\_DEFINED}{user defined languages' integer identifiers should start from this}
-""");
-   knownLangs = []
-   for i in table:
-       if i[0] not in knownLangs:
-          f.write('\\twocolitem{%s}{}\n' % (i[0].replace('_','\\_')))
-          knownLangs.append(i[0])
-   f.write("""\\end{twocollist}\itemsep=0pt
-
-%% --- --- --- generated code ends here --- --- ---
-
 """)
-   f.close()
-
 
 
-
-def GenTable(table):
+def WriteTable(f, table):
    all_langs = []
    all_sublangs = []
-   
+
    lngtable = ''
-   ifdefs = '' 
-       
+   ifdefs = ''
+
    for i in table:
        ican = '"%s"' % i[1]
        if ican == '"-"': ican = '""'
@@ -106,13 +84,10 @@ def GenTable(table):
        if s != '0':
            ifdefs += '#ifndef %s\n#define %s (0)\n#endif\n' % (s, s)
    for s in all_sublangs:
-       if s != '0' and s != 'SUBLANG_DEFAULT': 
+       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("""
-// --- --- --- generated code begins here --- --- ---
-
 // This table is generated by misc/languages/genlang.py
 // When making changes, please put them into misc/languages/langtabl.txt
 
@@ -140,22 +115,55 @@ def GenTable(table):
 void wxLocale::InitLanguagesDB()
 {
    wxLanguageInfo info;
-   wxStringTokenizer tkn;
 
 %s
 }
 #undef LNG
 
-// --- --- --- generated code ends here --- --- ---
-
 """ % (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()
-GenEnum(table)
-GenTable(table)
-GenDocs(table)
+ReplaceGeneratedPartOfFile('include/wx/language.h', WriteEnum)
+ReplaceGeneratedPartOfFile('interface/wx/language.h', WriteEnum)
+ReplaceGeneratedPartOfFile('src/common/languageinfo.cpp', WriteTable)