forked from Mirrors/flatpak-builder
120 lines
2.8 KiB
C
120 lines
2.8 KiB
C
/* builder-utils.c
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*
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* Copyright (C) 2015 Red Hat, Inc
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*
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* This file is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation; either version 3 of the
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* License, or (at your option) any later version.
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*
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* This file is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* Authors:
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* Alexander Larsson <alexl@redhat.com>
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*/
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#include "config.h"
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#include <string.h>
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#include "builder-utils.h"
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char *
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builder_uri_to_filename (const char *uri)
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{
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GString *s;
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const char *p;
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gboolean saw_slash = FALSE;
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gboolean saw_after_slash = FALSE;
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s = g_string_new ("");
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for (p = uri; *p != 0; p++)
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{
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if (*p == '/')
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{
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saw_slash = TRUE;
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if (saw_after_slash) /* Skip first slashes */
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g_string_append_c (s, '_');
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continue;
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}
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else if (saw_slash)
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saw_after_slash = TRUE;
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g_string_append_c (s, *p);
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}
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return g_string_free (s, FALSE);
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}
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/* Returns end of matching path prefix, or NULL if no match */
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const char *
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path_prefix_match (const char *pattern,
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const char *string)
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{
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char c, test;
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const char *tmp;
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while (TRUE)
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{
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switch (c = *pattern++)
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{
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case 0:
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if (*string == '/' || *string == 0)
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return string;
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return NULL;
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case '?':
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if (*string == '/' || *string == 0)
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return NULL;
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string++;
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break;
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case '*':
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c = *pattern;
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while (c == '*')
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c = *++pattern;
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/* special case * at end */
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if (c == 0)
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{
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char *tmp = strchr (string, '/');
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if (tmp != NULL)
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return tmp;
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return string + strlen (string);
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}
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else if (c == '/')
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{
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string = strchr (string, '/');
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if (string == NULL)
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return NULL;
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break;
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}
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while ((test = *string) != 0)
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{
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tmp = path_prefix_match (pattern, string);
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if (tmp != NULL)
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return tmp;
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if (test == '/')
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break;
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string++;
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}
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return NULL;
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default:
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if (c != *string)
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return NULL;
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string++;
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break;
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}
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}
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return NULL; /* Should not be reached */
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}
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