xserver/hw/xfree86/parser/Files.c

/*
 * Copyright (c) 1997  Metro Link Incorporated
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 * Except as contained in this notice, the name of the Metro Link shall not be
 * used in advertising or otherwise to promote the sale, use or other dealings
 * in this Software without prior written authorization from Metro Link.
 *
 */
/*
 * Copyright (c) 1997-2003 by The XFree86 Project, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * Except as contained in this notice, the name of the copyright holder(s)
 * and author(s) shall not be used in advertising or otherwise to promote
 * the sale, use or other dealings in this Software without prior written
 * authorization from the copyright holder(s) and author(s).
 */

#ifdef HAVE_XORG_CONFIG_H
#include <xorg-config.h>
#endif

#include <assert.h>

#include <X11/Xos.h>
#include "xf86Parser.h"
#include "xf86tokens.h"
#include "Configint.h"


static const xf86ConfigSymTabRec FilesTab[] = {
    {ENDSECTION, "endsection"},
    {FONTPATH, "fontpath"},
    {MODULEPATH, "modulepath"},
    {LOGFILEPATH, "logfile"},
    {XKBDIR, "xkbdir"},
    /* Obsolete keywords that aren't used but shouldn't cause errors: */
    {OBSOLETE_TOKEN, "rgbpath"},
    {OBSOLETE_TOKEN, "inputdevices"},
    {-1, ""},
};

#define CLEANUP xf86freeFiles

XF86ConfFilesPtr
xf86parseFilesSection(void)
{
    int i, j;
    int k, l;
    char *str;
    int token;

    parsePrologue(XF86ConfFilesPtr, XF86ConfFilesRec)

        while ((token = xf86getToken(FilesTab)) != ENDSECTION) {
        switch (token) {
        case COMMENT:
            ptr->file_comment = xf86addComment(ptr->file_comment, xf86_lex_val.str);
            free(xf86_lex_val.str);
            xf86_lex_val.str = NULL;
            break;
        case FONTPATH:
            if (xf86getSubToken(&(ptr->file_comment)) != STRING)
                Error(QUOTE_MSG, "FontPath");
            j = FALSE;
            str = xf86_lex_val.str;
            if (ptr->file_fontpath == NULL) {
                ptr->file_fontpath = calloc(1, 1);
                i = strlen(str) + 1;
            }
            else {
                i = strlen(ptr->file_fontpath) + strlen(str) + 1;
                if (ptr->file_fontpath[strlen(ptr->file_fontpath) - 1] != ',') {
                    i++;
                    j = TRUE;
                }
            }
            ptr->file_fontpath = realloc(ptr->file_fontpath, i);
            assert(ptr->file_fontpath);
            if (j)
                strcat(ptr->file_fontpath, ",");
            strcat(ptr->file_fontpath, str);
            free(xf86_lex_val.str);
            break;
        case MODULEPATH:
            if (xf86getSubToken(&(ptr->file_comment)) != STRING)
                Error(QUOTE_MSG, "ModulePath");
            l = FALSE;
            str = xf86_lex_val.str;
            if (ptr->file_modulepath == NULL) {
                ptr->file_modulepath = calloc(1, 1);
                assert(ptr->file_modulepath);
                ptr->file_modulepath[0] = '\0';
                k = strlen(str) + 1;
            }
            else {
                k = strlen(ptr->file_modulepath) + strlen(str) + 1;
                if (ptr->file_modulepath[strlen(ptr->file_modulepath) - 1] !=
                    ',') {
                    k++;
                    l = TRUE;
                }
            }
            ptr->file_modulepath = realloc(ptr->file_modulepath, k);
            assert(ptr->file_modulepath);
            if (l)
                strcat(ptr->file_modulepath, ",");

            strcat(ptr->file_modulepath, str);
            free(xf86_lex_val.str);
            break;
        case LOGFILEPATH:
            if (xf86getSubToken(&(ptr->file_comment)) != STRING)
                Error(QUOTE_MSG, "LogFile");
            ptr->file_logfile = xf86_lex_val.str;
            break;
        case XKBDIR:
            if (xf86getSubToken(&(ptr->file_xkbdir)) != STRING)
                Error(QUOTE_MSG, "XkbDir");
            ptr->file_xkbdir = xf86_lex_val.str;
            break;
        case EOF_TOKEN:
            Error(UNEXPECTED_EOF_MSG);
            break;
        case OBSOLETE_TOKEN:
            xf86parseError(OBSOLETE_MSG, xf86tokenString());
            xf86getSubToken(&(ptr->file_comment));
            break;
        default:
            Error(INVALID_KEYWORD_MSG, xf86tokenString());
            break;
        }
    }

#ifdef DEBUG
    printf("File section parsed\n");
#endif

    return ptr;
}

#undef CLEANUP

void
xf86printFileSection(FILE * cf, XF86ConfFilesPtr ptr)
{
    char *p, *s;

    if (ptr == NULL)
        return;

    if (ptr->file_comment)
        fprintf(cf, "%s", ptr->file_comment);
    if (ptr->file_logfile)
        fprintf(cf, "\tLogFile      \"%s\"\n", ptr->file_logfile);
    if (ptr->file_modulepath) {
        s = ptr->file_modulepath;
        p = index(s, ',');
        while (p) {
            *p = '\000';
            fprintf(cf, "\tModulePath   \"%s\"\n", s);
            *p = ',';
            s = p;
            s++;
            p = index(s, ',');
        }
        fprintf(cf, "\tModulePath   \"%s\"\n", s);
    }
    if (ptr->file_fontpath) {
        s = ptr->file_fontpath;
        p = index(s, ',');
        while (p) {
            *p = '\000';
            fprintf(cf, "\tFontPath     \"%s\"\n", s);
            *p = ',';
            s = p;
            s++;
            p = index(s, ',');
        }
        fprintf(cf, "\tFontPath     \"%s\"\n", s);
    }
    if (ptr->file_xkbdir)
        fprintf(cf, "\tXkbDir		\"%s\"\n", ptr->file_xkbdir);
}

void
xf86freeFiles(XF86ConfFilesPtr p)
{
    if (p == NULL)
        return;

    TestFree(p->file_logfile);
    TestFree(p->file_modulepath);
    TestFree(p->file_fontpath);
    TestFree(p->file_comment);
    TestFree(p->file_xkbdir);

    free(p);
}