mirror of
https://github.com/suchmememanyskill/TegraExplorer.git
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84 lines
2.7 KiB
C
84 lines
2.7 KiB
C
/*
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* Copyright (c) 2019-2020 shchmue
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* 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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/*
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ISC License
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hactool Copyright (c) 2018, SciresM
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include "path_parser.h"
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#include <gfx_utils.h>
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#include <string.h>
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bool save_path_parser_init(path_parser_ctx_t *ctx, const char *path) {
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ctx->path_len = strlen(path);
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if (ctx->path_len < 1 || path[0] != '/') {
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EPRINTF("Path must begin with a '/'!");
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return false;
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}
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ctx->_path = path;
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ctx->_offset = 0;
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ctx->_length = 0;
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ctx->_finished = ctx->path_len == 1 || path[1] == '\0';
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return true;
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}
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bool save_path_parser_move_next(path_parser_ctx_t *ctx) {
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if (ctx->_finished)
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return false;
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ctx->_offset = ctx->_offset + ctx->_length + 1;
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uint32_t end = ctx->_offset;
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while (end < ctx->path_len && ctx->_path[end] != '\0' && ctx->_path[end] != '/')
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end++;
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ctx->_finished = end + 1 >= ctx->path_len || ctx->_path[end + 1] == '\0';
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ctx->_length = end - ctx->_offset;
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return true;
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}
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const char *save_path_parser_get_current(path_parser_ctx_t *ctx, uint32_t *out_len) {
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if (out_len)
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*out_len = ctx->_length;
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return &ctx->_path[ctx->_offset];
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}
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bool save_path_parser_try_get_next(path_parser_ctx_t *ctx, char *name) {
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bool success = save_path_parser_move_next(ctx);
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uint32_t current_len = 0;
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const char *current = save_path_parser_get_current(ctx, ¤t_len);
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memcpy(name, current, current_len);
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return success;
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}
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