Up-ported code to make tree item visible when programmatically

[wxWidgets.git] / src / xpm / parse.c

diff --git a/src/xpm/parse.c b/src/xpm/parse.c
index 74bb479fe916b0a752b29d09668b837c27631e35..9c5249fe273e0e8b2ba5aa88aa3387390786d2c6 100644 (file)
--- a/src/xpm/parse.c
+++ b/src/xpm/parse.c
@@ -1,5 +1,5 @@
 /*
 /*

- * Copyright (C) 1989-94 GROUPE BULL
+ * Copyright (C) 1989-95 GROUPE BULL

  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to


@@ -38,42 +38,14 @@
  * HeDu (hedu@cul-ipn.uni-kiel.de) 4/94
  */
 
  * HeDu (hedu@cul-ipn.uni-kiel.de) 4/94
  */
 

-#include "xpm34p.h"
-#ifdef VMS
-#include "sys$library:ctype.h"
-#else
+#include "XpmI.h"

 #include <ctype.h>
 #include <ctype.h>

-#endif
-
-#ifdef sun
-#ifdef SVR4
-#define __ORIGINAL_XORG_CODE
-#include <X11/Xfuncs.h> /* bzero, bcopy */
-#endif
-#endif
-
-#include <string.h>
-#ifdef __sgi
-#include <bstring.h>
-#endif
-
-LFUNC(ParseValues, int, (xpmData *data, unsigned int *width,
-                        unsigned int *height, unsigned int *ncolors,
-                        unsigned int *cpp, unsigned int *x_hotspot,
-                        unsigned int *y_hotspot, unsigned int *hotspot,
-                        unsigned int *extensions));
-
-LFUNC(ParseColors, int, (xpmData *data, unsigned int ncolors, unsigned int cpp,
-                        XpmColor **colorTablePtr, xpmHashTable *hashtable));

 
 LFUNC(ParsePixels, int, (xpmData *data, unsigned int width,
                         unsigned int height, unsigned int ncolors,
                         unsigned int cpp, XpmColor *colorTable,
                         xpmHashTable *hashtable, unsigned int **pixels));
 
 
 LFUNC(ParsePixels, int, (xpmData *data, unsigned int width,
                         unsigned int height, unsigned int ncolors,
                         unsigned int cpp, XpmColor *colorTable,
                         xpmHashTable *hashtable, unsigned int **pixels));
 

-LFUNC(ParseExtensions, int, (xpmData *data, XpmExtension **extensions,
-                            unsigned int *nextensions));
-

 char *xpmColorKeys[] = {
     "s",                               /* key #1: symbol */
     "m",                               /* key #2: mono visual */
 char *xpmColorKeys[] = {
     "s",                               /* key #1: symbol */
     "m",                               /* key #2: mono visual */


@@ -82,147 +54,28 @@ char *xpmColorKeys[] = {
     "c",                               /* key #5: color visual */
 };
 
     "c",                               /* key #5: color visual */
 };
 

-
-/* function call in case of error, frees only locally allocated variables */
-#undef RETURN
-#define RETURN(status) \
-{ \
-    if (colorTable) xpmFreeColorTable(colorTable, ncolors); \
-    if (pixelindex) XpmFree(pixelindex); \
-    if (hints_cmt)  XpmFree(hints_cmt); \
-    if (colors_cmt) XpmFree(colors_cmt); \
-    if (pixels_cmt) XpmFree(pixels_cmt); \
-    return(status); \
-}
-
-/*
- * This function parses an Xpm file or data and store the found informations
- * in an an XpmImage structure which is returned.
- */
+#ifdef __OS2__
+/* Visual Age cannot deal with old, non-ansi, code */
+int xpmParseValues(
+  xpmData*      data
+, unsigned int* width
+, unsigned int* height
+, unsigned int* ncolors
+, unsigned int* cpp
+, unsigned int* x_hotspot
+, unsigned int* y_hotspot
+, unsigned int* hotspot
+, unsigned int* extensions
+)
+#else

 int
 int

-xpmParseData(xpmData *data, XpmImage *image, XpmInfo *info)
-{
-    /* variables to return */
-    unsigned int width, height, ncolors, cpp;
-    unsigned int x_hotspot, y_hotspot, hotspot = 0, extensions = 0;
-    XpmColor *colorTable = NULL;
-    unsigned int *pixelindex = NULL;
-    char *hints_cmt = NULL;
-    char *colors_cmt = NULL;
-    char *pixels_cmt = NULL;
-
-    unsigned int cmts;
-    int ErrorStatus;
-    xpmHashTable hashtable;
-
-    cmts = info && (info->valuemask & XpmReturnComments);
-
-    /*
-     * parse the header
-     */
-    ErrorStatus = xpmParseHeader(data);
-    if (ErrorStatus != XpmSuccess)
-       return (ErrorStatus);
-
-    /*
-     * read values
-     */
-    ErrorStatus = ParseValues(data, &width, &height, &ncolors, &cpp,
-                           &x_hotspot, &y_hotspot, &hotspot, &extensions);
-    if (ErrorStatus != XpmSuccess)
-       return (ErrorStatus);
-
-    /*
-     * store the hints comment line
-     */
-    if (cmts)
-       xpmGetCmt(data, &hints_cmt);
-
-    /*
-     * init the hastable
-     */
-    if (USE_HASHTABLE) {
-       ErrorStatus = xpmHashTableInit(&hashtable);
-       if (ErrorStatus != XpmSuccess)
-           return (ErrorStatus);
-    }
-
-    /*
-     * read colors
-     */
-    ErrorStatus = ParseColors(data, ncolors, cpp, &colorTable, &hashtable);
-    if (ErrorStatus != XpmSuccess)
-       RETURN(ErrorStatus);
-
-    /*
-     * store the colors comment line
-     */
-    if (cmts)
-       xpmGetCmt(data, &colors_cmt);
-
-    /*
-     * read pixels and index them on color number
-     */
-    ErrorStatus = ParsePixels(data, width, height, ncolors, cpp, colorTable,
-                             &hashtable, &pixelindex);
-
-    /*
-     * free the hastable
-     */
-    if (USE_HASHTABLE)
-       xpmHashTableFree(&hashtable);
-
-    if (ErrorStatus != XpmSuccess)
-       RETURN(ErrorStatus);
-
-    /*
-     * store the pixels comment line
-     */
-    if (cmts)
-       xpmGetCmt(data, &pixels_cmt);
-
-    /*
-     * parse extensions
-     */
-    if (info && (info->valuemask & XpmReturnExtensions))
-       if (extensions) {
-           ErrorStatus = ParseExtensions(data, &info->extensions,
-                                         &info->nextensions);
-           if (ErrorStatus != XpmSuccess)
-               RETURN(ErrorStatus);
-       } else {
-           info->extensions = NULL;
-           info->nextensions = 0;
-       }
-
-    /*
-     * store found informations in the XpmImage structure
-     */
-    image->width = width;
-    image->height = height;
-    image->cpp = cpp;
-    image->ncolors = ncolors;
-    image->colorTable = colorTable;
-    image->data = pixelindex;
-
-    if (info) {
-       if (cmts) {
-           info->hints_cmt = hints_cmt;
-           info->colors_cmt = colors_cmt;
-           info->pixels_cmt = pixels_cmt;
-       }
-       if (hotspot) {
-           info->x_hotspot = x_hotspot;
-           info->y_hotspot = y_hotspot;
-           info->valuemask |= XpmHotspot;
-       }
-    }
-    return (XpmSuccess);
-}
-
-static int
-ParseValues(xpmData *data, unsigned int *width, unsigned int *height, unsigned int *ncolors, unsigned int *cpp,
-           unsigned int *x_hotspot, unsigned int *y_hotspot, unsigned int *hotspot, unsigned int *extensions)
+xpmParseValues(data, width, height, ncolors, cpp,
+           x_hotspot, y_hotspot, hotspot, extensions)
+    xpmData *data;
+    unsigned int *width, *height, *ncolors, *cpp;
+    unsigned int *x_hotspot, *y_hotspot, *hotspot;
+    unsigned int *extensions;
+#endif

 {
     unsigned int l;
     char buf[BUFSIZ];
 {
     unsigned int l;
     char buf[BUFSIZ];


@@ -246,7 +99,7 @@ ParseValues(xpmData *data, unsigned int *width, unsigned int *height, unsigned i
                *hotspot = (xpmNextUI(data, x_hotspot)
                            && xpmNextUI(data, y_hotspot));
            else {
                *hotspot = (xpmNextUI(data, x_hotspot)
                            && xpmNextUI(data, y_hotspot));
            else {

-               *hotspot = (atoui(buf, l, x_hotspot)
+               *hotspot = (xpmatoui(buf, l, x_hotspot)

                            && xpmNextUI(data, y_hotspot));
                l = xpmNextWord(data, buf, BUFSIZ);
                *extensions = (l == 6 && !strncmp("XPMEXT", buf, 6));
                            && xpmNextUI(data, y_hotspot));
                l = xpmNextWord(data, buf, BUFSIZ);
                *extensions = (l == 6 && !strncmp("XPMEXT", buf, 6));


@@ -259,6 +112,8 @@ ParseValues(xpmData *data, unsigned int *width, unsigned int *height, unsigned i
         */
        int i;
        char *ptr;
         */
        int i;
        char *ptr;

+       Bool got_one, saw_width = False, saw_height = False;
+       Bool saw_ncolors = False, saw_chars_per_pixel = False;

 
        for (i = 0; i < 4; i++) {
            l = xpmNextWord(data, buf, BUFSIZ);
 
        for (i = 0; i < 4; i++) {
            l = xpmNextWord(data, buf, BUFSIZ);


@@ -267,41 +122,81 @@ ParseValues(xpmData *data, unsigned int *width, unsigned int *height, unsigned i
            l = xpmNextWord(data, buf, BUFSIZ);
            if (!l)
                return (XpmFileInvalid);
            l = xpmNextWord(data, buf, BUFSIZ);
            if (!l)
                return (XpmFileInvalid);

-           ptr = strchr(buf, '_');
-           if (!ptr)
-               return (XpmFileInvalid);
-           switch (l - (ptr - buf)) {
-           case 6:
-               if (!strncmp("_width", ptr, 6) && !xpmNextUI(data, width))
+           buf[l] = '\0';
+           ptr = buf;
+           got_one = False;
+           while (!got_one) {
+               ptr = index(ptr, '_');
+               if (!ptr)

                    return (XpmFileInvalid);
                    return (XpmFileInvalid);

-               break;
-           case 7:
-               if (!strncmp("_height", ptr, 7) && !xpmNextUI(data, height))
-                   return (XpmFileInvalid);
-               break;
-           case 8:
-               if (!strncmp("_ncolors", ptr, 8) && !xpmNextUI(data, ncolors))
-                   return (XpmFileInvalid);
-               break;
-           case 16:
-               if (!strncmp("_chars_per_pixel", ptr, 16)
-                   && !xpmNextUI(data, cpp))
-                   return (XpmFileInvalid);
-               break;
-           default:
-               return (XpmFileInvalid);
+               switch (l - (ptr - buf)) {
+               case 6:
+                   if (saw_width || strncmp("_width", ptr, 6)
+                       || !xpmNextUI(data, width))
+                       return (XpmFileInvalid);
+                   else
+                       saw_width = True;
+                   got_one = True;
+                   break;
+               case 7:
+                   if (saw_height || strncmp("_height", ptr, 7)
+                       || !xpmNextUI(data, height))
+                       return (XpmFileInvalid);
+                   else
+                       saw_height = True;
+                   got_one = True;
+                   break;
+               case 8:
+                   if (saw_ncolors || strncmp("_ncolors", ptr, 8)
+                       || !xpmNextUI(data, ncolors))
+                       return (XpmFileInvalid);
+                   else
+                       saw_ncolors = True;
+                   got_one = True;
+                   break;
+               case 16:
+                   if (saw_chars_per_pixel
+                       || strncmp("_chars_per_pixel", ptr, 16)
+                       || !xpmNextUI(data, cpp))
+                       return (XpmFileInvalid);
+                   else
+                       saw_chars_per_pixel = True;
+                   got_one = True;
+                   break;
+               default:
+                   ptr++;
+               }

            }
            /* skip the end of line */
            xpmNextString(data);
        }
            }
            /* skip the end of line */
            xpmNextString(data);
        }

+       if (!saw_width || !saw_height || !saw_ncolors || !saw_chars_per_pixel)
+         return (XpmFileInvalid);
+

        *hotspot = 0;
        *extensions = 0;
     }
     return (XpmSuccess);
 }
 
        *hotspot = 0;
        *extensions = 0;
     }
     return (XpmSuccess);
 }
 

-static int
-ParseColors(xpmData *data, unsigned int ncolors, unsigned int cpp, XpmColor **colorTablePtr, xpmHashTable *hashtable)
+#ifdef __OS2__
+/* Visual Age cannot deal with old, non-ansi, code */
+int xpmParseColors(
+  xpmData*      data
+, unsigned int  ncolors
+, unsigned int  cpp
+, XpmColor**    colorTablePtr
+, xpmHashTable* hashtable
+)
+#else
+int
+xpmParseColors(data, ncolors, cpp, colorTablePtr, hashtable)
+    xpmData *data;
+    unsigned int ncolors;
+    unsigned int cpp;
+    XpmColor **colorTablePtr;
+    xpmHashTable *hashtable;
+#endif

 {
     unsigned int key, l, a, b;
     unsigned int curkey;               /* current color key */
 {
     unsigned int key, l, a, b;
     unsigned int curkey;               /* current color key */


@@ -455,9 +350,31 @@ ParseColors(xpmData *data, unsigned int ncolors, unsigned int cpp, XpmColor **co
     return (XpmSuccess);
 }
 
     return (XpmSuccess);
 }
 

+#ifdef __OS2__
+/* Visual Age cannot deal with old, non-ansi, code */

 static int
 static int

-ParsePixels(xpmData *data, unsigned int width, unsigned int height, unsigned int ncolors,
-  unsigned int cpp, XpmColor *colorTable, xpmHashTable *hashtable, unsigned int **pixels)
+ParsePixels(
+  xpmData*       data
+, unsigned int   width
+, unsigned int   height
+, unsigned int   ncolors
+, unsigned int   cpp
+, XpmColor*      colorTable
+, xpmHashTable*  hashtable
+, unsigned int** pixels
+)
+#else
+static int
+ParsePixels(data, width, height, ncolors, cpp, colorTable, hashtable, pixels)
+    xpmData *data;
+    unsigned int width;
+    unsigned int height;
+    unsigned int ncolors;
+    unsigned int cpp;
+    XpmColor *colorTable;
+    xpmHashTable *hashtable;
+    unsigned int **pixels;
+#endif

 {
     unsigned int *iptr, *iptr2;
     unsigned int a, x, y;
 {
     unsigned int *iptr, *iptr2;
     unsigned int a, x, y;


@@ -487,15 +404,15 @@ ParsePixels(xpmData *data, unsigned int width, unsigned int height, unsigned int
 
            bzero((char *)colidx, 256 * sizeof(short));
            for (a = 0; a < ncolors; a++)
 
            bzero((char *)colidx, 256 * sizeof(short));
            for (a = 0; a < ncolors; a++)

-               colidx[colorTable[a].string[0]] = a + 1;
+               colidx[(unsigned char)colorTable[a].string[0]] = a + 1;

 
            for (y = 0; y < height; y++) {
                xpmNextString(data);
                for (x = 0; x < width; x++, iptr++) {
 
            for (y = 0; y < height; y++) {
                xpmNextString(data);
                for (x = 0; x < width; x++, iptr++) {

-                   int idx = colidx[xpmGetC(data)];
+                   int c = xpmGetC(data);

 
 

-                   if (idx != 0)
-                       *iptr = idx - 1;
+                   if (c > 0 && c < 256 && colidx[c] != 0)
+                       *iptr = colidx[c] - 1;

                    else {
                        XpmFree(iptr2);
                        return (XpmFileInvalid);
                    else {
                        XpmFree(iptr2);
                        return (XpmFileInvalid);


@@ -529,18 +446,24 @@ if (cidx[f]) XpmFree(cidx[f]);}
                        return (XpmNoMemory);
                    }
                }
                        return (XpmNoMemory);
                    }
                }

-               cidx[char1][colorTable[a].string[1]] = a + 1;
+               cidx[char1][(unsigned char)colorTable[a].string[1]] = a + 1;

            }
 
            for (y = 0; y < height; y++) {
                xpmNextString(data);
                for (x = 0; x < width; x++, iptr++) {
                    int cc1 = xpmGetC(data);
            }
 
            for (y = 0; y < height; y++) {
                xpmNextString(data);
                for (x = 0; x < width; x++, iptr++) {
                    int cc1 = xpmGetC(data);

-                   int idx = cidx[cc1][xpmGetC(data)];
-
-                   if (idx != 0)
-                       *iptr = idx - 1;
-                   else {
+                   if (cc1 > 0 && cc1 < 256) {
+                       int cc2 = xpmGetC(data);
+                       if (cc2 > 0 && cc2 < 256 &&
+                           cidx[cc1] && cidx[cc1][cc2] != 0)
+                           *iptr = cidx[cc1][cc2] - 1;
+                       else {
+                           FREE_CIDX;
+                           XpmFree(iptr2);
+                           return (XpmFileInvalid);
+                       }
+                   } else {

                        FREE_CIDX;
                        XpmFree(iptr2);
                        return (XpmFileInvalid);
                        FREE_CIDX;
                        XpmFree(iptr2);
                        return (XpmFileInvalid);


@@ -598,8 +521,20 @@ if (cidx[f]) XpmFree(cidx[f]);}
     return (XpmSuccess);
 }
 
     return (XpmSuccess);
 }
 

-static int
-ParseExtensions(xpmData *data, XpmExtension **extensions, unsigned int *nextensions)
+#ifdef __OS2__
+/* Visual Age cannot deal with old, non-ansi, code */
+int xpmParseExtensions(
+  xpmData*        data
+, XpmExtension** extensions
+, unsigned int*  nextensions
+)
+#else
+int
+xpmParseExtensions(data, extensions, nextensions)
+    xpmData *data;
+    XpmExtension **extensions;
+    unsigned int *nextensions;
+#endif

 {
     XpmExtension *exts = NULL, *ext;
     unsigned int num = 0;
 {
     XpmExtension *exts = NULL, *ext;
     unsigned int num = 0;


@@ -703,3 +638,167 @@ ParseExtensions(xpmData *data, XpmExtension **extensions, unsigned int *nextensi
     *extensions = exts;
     return (XpmSuccess);
 }
     *extensions = exts;
     return (XpmSuccess);
 }

+
+
+/* function call in case of error */
+#undef RETURN
+#define RETURN(status) \
+{ \
+      goto error; \
+}
+
+/*
+ * This function parses an Xpm file or data and store the found informations
+ * in an an XpmImage structure which is returned.
+ */
+#ifdef __OS2__
+/* Visual Age cannot deal with old, non-ansi, code */
+int xpmParseData(
+  xpmData*  data
+, XpmImage* image
+, XpmInfo*  info
+)
+#else
+int
+xpmParseData(data, image, info)
+    xpmData *data;
+    XpmImage *image;
+    XpmInfo *info;
+#endif
+{
+    /* variables to return */
+    unsigned int width, height, ncolors, cpp;
+    unsigned int x_hotspot, y_hotspot, hotspot = 0, extensions = 0;
+    XpmColor *colorTable = NULL;
+    unsigned int *pixelindex = NULL;
+    char *hints_cmt = NULL;
+    char *colors_cmt = NULL;
+    char *pixels_cmt = NULL;
+
+    unsigned int cmts;
+    int ErrorStatus;
+    xpmHashTable hashtable;
+
+    cmts = info && (info->valuemask & XpmReturnComments);
+
+    /*
+     * parse the header
+     */
+    ErrorStatus = xpmParseHeader(data);
+    if (ErrorStatus != XpmSuccess)
+       return (ErrorStatus);
+
+    /*
+     * read values
+     */
+    ErrorStatus = xpmParseValues(data, &width, &height, &ncolors, &cpp,
+                                &x_hotspot, &y_hotspot, &hotspot,
+                                &extensions);
+    if (ErrorStatus != XpmSuccess)
+       return (ErrorStatus);
+
+    /*
+     * store the hints comment line
+     */
+    if (cmts)
+       xpmGetCmt(data, &hints_cmt);
+
+    /*
+     * init the hastable
+     */
+    if (USE_HASHTABLE) {
+       ErrorStatus = xpmHashTableInit(&hashtable);
+       if (ErrorStatus != XpmSuccess)
+           return (ErrorStatus);
+    }
+
+    /*
+     * read colors
+     */
+    ErrorStatus = xpmParseColors(data, ncolors, cpp, &colorTable, &hashtable);
+    if (ErrorStatus != XpmSuccess) {
+       if (USE_HASHTABLE)
+           xpmHashTableFree(&hashtable);
+       RETURN(ErrorStatus);
+    }
+
+    /*
+     * store the colors comment line
+     */
+    if (cmts)
+       xpmGetCmt(data, &colors_cmt);
+
+    /*
+     * read pixels and index them on color number
+     */
+    ErrorStatus = ParsePixels(data, width, height, ncolors, cpp, colorTable,
+                             &hashtable, &pixelindex);
+
+    /*
+     * free the hastable
+     */
+    if (USE_HASHTABLE)
+       xpmHashTableFree(&hashtable);
+
+    if (ErrorStatus != XpmSuccess)
+       RETURN(ErrorStatus);
+
+    /*
+     * store the pixels comment line
+     */
+    if (cmts)
+       xpmGetCmt(data, &pixels_cmt);
+
+    /*
+     * parse extensions
+     */
+    if (info && (info->valuemask & XpmReturnExtensions))
+       if (extensions) {
+           ErrorStatus = xpmParseExtensions(data, &info->extensions,
+                                            &info->nextensions);
+           if (ErrorStatus != XpmSuccess)
+               RETURN(ErrorStatus);
+       } else {
+           info->extensions = NULL;
+           info->nextensions = 0;
+       }
+
+    /*
+     * store found informations in the XpmImage structure
+     */
+    image->width = width;
+    image->height = height;
+    image->cpp = cpp;
+    image->ncolors = ncolors;
+    image->colorTable = colorTable;
+    image->data = pixelindex;
+
+    if (info) {
+       if (cmts) {
+           info->hints_cmt = hints_cmt;
+           info->colors_cmt = colors_cmt;
+           info->pixels_cmt = pixels_cmt;
+       }
+       if (hotspot) {
+           info->x_hotspot = x_hotspot;
+           info->y_hotspot = y_hotspot;
+           info->valuemask |= XpmHotspot;
+       }
+    }
+    return (XpmSuccess);
+
+/* exit point in case of error, free only locally allocated variables */
+error:
+    if (colorTable)
+       xpmFreeColorTable(colorTable, ncolors);
+    if (pixelindex)
+       XpmFree(pixelindex);
+    if (hints_cmt)
+       XpmFree(hints_cmt);
+    if (colors_cmt)
+       XpmFree(colors_cmt);
+    if (pixels_cmt)
+       XpmFree(pixels_cmt);
+
+    return(ErrorStatus);
+}