added wxEncodingConverter - scripts for creating convertion tables

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@5156 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
1999-12-31 00:33:41 +00:00
parent 2de89127de
commit 045c4fab85
5 changed files with 321 additions and 0 deletions
--- a/misc/unictabl/mk_ctable.c
+++ b/misc/unictabl/mk_ctable.c
@@ -0,0 +1,80 @@
+
+/* CVS-ID: $Id$ */
+
+#include <stdio.h>
+
+typedef struct {
+        unsigned char c;
+        unsigned short u;
+    } charsetItem;
+
+
+
+int cmpt(const void *i1, const void *i2)
+{
+    unsigned short u1 = ((charsetItem*)i1) -> u;
+    unsigned short u2 = ((charsetItem*)i2) -> u;
+    return (u1 - u2);
+}
+
+
+
+int main(int argc, char *argv[])
+{
+    unsigned enc, unic;
+    unsigned i;
+    charsetItem table[256];
+
+    for (i = 0; i < 256; i++) { table[i].c = i, table[i].u = 0; /* unknown */}
+
+    while (!feof(stdin))
+    {
+        scanf("%i\t%i\n", &enc, &unic);
+        table[enc].u = unic;
+        table[enc].c = enc;
+        if (enc < 128 && enc != unic) 
+            fprintf(stderr, "7bit ASCII incompatibilit (%s): %i->%i\n", 
+                    argv[2], enc, unic);
+    }
+    
+    /* dump it: */
+    
+    printf("\n\n"
+           "/* \n"
+           " * %s to Unicode recoding table \n"
+           " * based on file %s by Unicode Consortium\n"
+           " */\n\n"
+           "static wxUint16 encoding_table__%s[128] = {",
+           argv[2], argv[1], argv[2]);
+           
+    for (i = 128; i < 256; i++)
+    { 
+        if (i % 8 == 0)
+            printf("\n    ");
+        printf("0x%04X%c ", table[i].u, (i == 255) ? '\n' : ',');
+    }
+    printf("};\n");
+
+    qsort(table + 128, 128, sizeof(table[0]), cmpt);
+
+
+/*
+    NO, WE DON'T NEED REVERSE TABLE, WE CAN BUILD IT AT RUNTIME
+    (won't take that much time, after all you don't init
+    conversion so often...)
+
+    printf("\n"
+           "static wxUint16 encoding_table_rev__%s[128] = {",
+           argv[2]);
+           
+    for (i = 128; i < 256; i++)
+    { 
+        if (i % 4 == 0)
+            printf("\n    ");
+        printf("{c:0x%02X,u:0x%04X}%c ", table[i].c, table[i].u, (i == 255) ? '\n' : ',');
+    }
+    printf("};\n");
+*/
+
+    return 1;
+}