149 lines
2.5 KiB
C
149 lines
2.5 KiB
C
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/*
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* uhub - A tiny ADC p2p connection hub
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* Copyright (C) 2007-2010, Jan Vidar Krey
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU 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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*/
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#include "uhub.h"
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#define ADD_CHAR(X) do { *out = X; out++; token_size++; } while(0)
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#define RESET_TOKEN do { ADD_CHAR('\0'); out = buffer; if (add_token(tokens, out)) token_count++; token_size = 0; buffer[0] = '\0'; } while (0)
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static int add_token(struct linked_list* list, const char* token)
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{
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if (*token)
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{
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list_append(list, hub_strdup(token));
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return 1;
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}
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return 0;
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}
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struct linked_list* cfg_tokenize(const char* line)
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{
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struct linked_list* tokens = list_create();
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char* buffer = hub_malloc_zero(strlen(line));
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char* out = buffer;
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const char* p = line;
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int backslash = 0;
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char quote = 0;
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size_t token_count = 0;
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size_t token_size = 0;
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for (; *p; p++)
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{
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switch (*p)
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{
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case '\\':
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if (backslash)
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{
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ADD_CHAR('\\');
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backslash = 0;
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}
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else
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{
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backslash = 1;
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}
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break;
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case '#':
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if (backslash)
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{
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ADD_CHAR('#');
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backslash = 0;
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}
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else if (quote)
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{
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ADD_CHAR('#');
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}
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else
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{
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RESET_TOKEN;
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return tokens;
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}
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break;
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case '\"':
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if (backslash)
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{
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ADD_CHAR('\"');
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backslash = 0;
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}
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else if (quote)
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{
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quote = 0;
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}
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else
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{
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quote = 1;
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}
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break;
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case '\r':
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/* Pretend it does not exist! */
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break;
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case ' ':
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case '\t':
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if (quote)
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{
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ADD_CHAR(*p);
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}
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else if (backslash)
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{
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ADD_CHAR(*p);
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backslash = 0;
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}
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else
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{
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RESET_TOKEN;
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}
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break;
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default:
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ADD_CHAR(*p);
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}
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}
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RESET_TOKEN;
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return tokens;
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}
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void cfg_tokens_free(struct linked_list* list)
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{
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list_clear(list, hub_free);
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list_destroy(list);
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}
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/*
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size_t cfg_token_count(const char* line)
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{
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if (!line || !*line)
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return 0;
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}
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char* cfg_token_get(const char* line, size_t token)
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{
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}
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char* cfg_token_add(const char* line, char* new_token)
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{
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}
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*/
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