2 * collection4 - utils_search.c
3 * Copyright (C) 2010 Florian octo Forster
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor,
18 * Boston, MA 02110-1301 USA
21 * Florian octo Forster <ff at octo.it>
30 #include "utils_search.h"
31 #include "graph_ident.h"
32 #include "graph_instance.h"
33 #include "utils_array.h"
36 #include <fcgi_stdio.h>
42 char *plugin_instance;
52 static char *read_quoted_string (const char **buffer) /* {{{ */
54 const char *ptr = *buffer;
63 while ((*ptr != '"') && (*ptr != 0))
73 if ((ret_len < 1) || (*ptr != '"'))
76 ret = malloc (ret_len + 1);
82 while ((*ptr != '"') && (*ptr != 0))
96 /* terminate string */
99 /* "ptr" points to the '"' sign, so advance one more */
104 } /* }}} char *read_quoted_string */
106 static char *read_unquoted_word (const char **buffer) /* {{{ */
108 const char *ptr = *buffer;
113 while (!isspace ((int) ptr[ret_len]) && (ptr[ret_len] != 0))
119 ret = malloc (ret_len + 1);
123 memcpy (ret, ptr, ret_len);
130 } /* }}} char *read_unquoted_word */
132 static char *next_token (const char **buffer) /* {{{ */
134 const char *ptr = *buffer;
137 while (isspace ((int) (*ptr)))
142 else if (ptr[0] == '"')
144 ret = read_quoted_string (&ptr);
152 ret = read_unquoted_word (&ptr);
157 } /* }}} char *next_token */
159 static int store_token_field (char **field, const char *token) /* {{{ */
163 if ((field == NULL) || (token == NULL))
166 copy = strdup (token);
174 } /* }}} int store_token_field */
176 static int store_token (search_info_t *si, const char *token) /* {{{ */
178 if (strncmp ("host:", token, strlen ("host:")) == 0)
179 return (store_token_field (&si->host, token + strlen ("host:")));
180 else if (strncmp ("plugin:", token, strlen ("plugin:")) == 0)
181 return (store_token_field (&si->plugin, token + strlen ("plugin:")));
182 else if (strncmp ("plugin_instance:", token, strlen ("plugin_instance:")) == 0)
183 return (store_token_field (&si->plugin_instance, token + strlen ("plugin_instance:")));
184 else if (strncmp ("type:", token, strlen ("type:")) == 0)
185 return (store_token_field (&si->type, token + strlen ("type:")));
186 else if (strncmp ("type_instance:", token, strlen ("type_instance:")) == 0)
187 return (store_token_field (&si->type_instance, token + strlen ("type_instance:")));
189 return (array_append (si->terms, token));
190 } /* }}} int store_token */
195 search_info_t *search_parse (const char *search) /* {{{ */
201 si = malloc (sizeof (*si));
204 memset (si, 0, sizeof (*si));
206 si->terms = array_create ();
207 if (si->terms == NULL)
215 while ((token = next_token (&ptr)) != NULL)
217 store_token (si, token);
222 } /* }}} search_info_t *search_parse */
224 void search_destroy (search_info_t *si) /* {{{ */
231 free (si->plugin_instance);
233 free (si->type_instance);
235 array_destroy (si->terms);
236 } /* }}} void search_destroy */
238 _Bool search_has_selector (search_info_t *si) /* {{{ */
243 if ((si->host != NULL)
244 || (si->plugin != NULL) || (si->plugin_instance != NULL)
245 || (si->type != NULL) || (si->type_instance != NULL))
249 } /* }}} _Bool search_has_selector */
251 graph_ident_t *search_to_ident (search_info_t *si) /* {{{ */
256 return (ident_create ((si->host == NULL) ? ANY_TOKEN : si->host,
257 (si->plugin == NULL) ? ANY_TOKEN : si->plugin,
258 (si->plugin_instance == NULL) ? ANY_TOKEN : si->plugin_instance,
259 (si->type == NULL) ? ANY_TOKEN : si->type,
260 (si->type_instance == NULL) ? ANY_TOKEN : si->type_instance));
261 } /* }}} graph_ident_t *search_to_ident */
263 search_info_t *search_from_ident (const graph_ident_t *ident) /* {{{ */
270 si = malloc (sizeof (*si));
273 memset (si, 0, sizeof (*si));
276 #define COPY_FIELD(f) do { \
277 const char *tmp = ident_get_##f (ident); \
281 si->f = strdup (tmp); \
286 COPY_FIELD(plugin_instance);
288 COPY_FIELD(type_instance);
293 } /* }}} search_info_t *search_from_ident */
295 _Bool search_graph_title_matches (search_info_t *si, /* {{{ */
302 if ((si == NULL) || (title == NULL))
305 if (si->terms == NULL)
308 argc = array_argc (si->terms);
309 argv = array_argv (si->terms);
310 for (i = 0; i < argc; i++)
311 if (strstr (title, argv[i]) == NULL)
315 } /* }}} _Bool search_graph_title_matches */
317 _Bool search_graph_inst_matches (search_info_t *si, /* {{{ */
318 graph_config_t *cfg, graph_instance_t *inst,
325 if ((si == NULL) || (cfg == NULL) || (inst == NULL))
328 if ((si->host != NULL)
329 && !inst_matches_field (inst, GIF_HOST, si->host))
331 else if ((si->plugin != NULL)
332 && !inst_matches_field (inst, GIF_PLUGIN, si->plugin))
334 else if ((si->plugin_instance != NULL)
335 && !inst_matches_field (inst, GIF_PLUGIN_INSTANCE, si->plugin_instance))
337 else if ((si->type != NULL)
338 && !inst_matches_field (inst, GIF_TYPE, si->type))
340 else if ((si->type_instance != NULL)
341 && !inst_matches_field (inst, GIF_TYPE_INSTANCE, si->type_instance))
344 if (si->terms == NULL)
347 argc = array_argc (si->terms);
348 argv = array_argv (si->terms);
349 for (i = 0; i < argc; i++)
351 if (inst_matches_string (cfg, inst, argv[i]))
354 if ((title != NULL) && (strstr (title, argv[i]) != NULL))
361 } /* }}} _Bool search_graph_inst_matches */
363 /* vim: set sw=2 sts=2 et fdm=marker : */