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core: sort linked lists with configuration files and sections by name

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This commit is contained in:
Sébastien Helleu
2014-08-24 19:18:09 +02:00
parent fa4436b262
commit 56f099bec6
1 changed files with 143 additions and 14 deletions
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src/core/wee-config-file.c
+143 -14
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@@ -81,6 +81,76 @@ config_file_search (const char *name)
return NULL;
}
/*
* Searches for position of configuration file (to keep configuration files
* sorted by name).
*/
struct t_config_file *
config_file_config_find_pos (const char *name)
{
struct t_config_file *ptr_config;
if (name)
{
for (ptr_config = config_files; ptr_config;
ptr_config = ptr_config->next_config)
{
if (string_strcasecmp (name, ptr_config->name) < 0)
return ptr_config;
}
}
/* position not found (we will add to the end of list) */
return NULL;
}
/*
* Inserts a configuration file in list (keeping configuration files sorted by
* name).
*/
void
config_file_config_insert (struct t_config_file *config_file)
{
struct t_config_file *pos_config;
if (!config_file)
return;
if (config_files)
{
pos_config = config_file_config_find_pos (config_file->name);
if (pos_config)
{
/* insert configuration file into the list (before config found) */
config_file->prev_config = pos_config->prev_config;
config_file->next_config = pos_config;
if (pos_config->prev_config)
(pos_config->prev_config)->next_config = config_file;
else
config_files = config_file;
pos_config->prev_config = config_file;
}
else
{
/* add configuration file to the end of list */
config_file->prev_config = last_config_file;
config_file->next_config = NULL;
last_config_file->next_config = config_file;
last_config_file = config_file;
}
}
else
{
/* first configuration file */
config_file->prev_config = NULL;
config_file->next_config = NULL;
config_files = config_file;
last_config_file = config_file;
}
}
/*
* Creates a new configuration file.
*
@@ -136,18 +206,83 @@ config_file_new (struct t_weechat_plugin *plugin, const char *name,
new_config_file->sections = NULL;
new_config_file->last_section = NULL;
new_config_file->prev_config = last_config_file;
new_config_file->next_config = NULL;
if (config_files)
last_config_file->next_config = new_config_file;
else
config_files = new_config_file;
last_config_file = new_config_file;
config_file_config_insert (new_config_file);
}
return new_config_file;
}
/*
* Searches for position of section in configuration file (to keep sections
* sorted by name).
*/
struct t_config_section *
config_file_section_find_pos (struct t_config_file *config_file,
const char *name)
{
struct t_config_section *ptr_section;
if (config_file && name)
{
for (ptr_section = config_file->sections; ptr_section;
ptr_section = ptr_section->next_section)
{
if (string_strcasecmp (name, ptr_section->name) < 0)
return ptr_section;
}
}
/* position not found (we will add to the end of list) */
return NULL;
}
/*
* Inserts a section in configuration file (keeping sections sorted by name).
*/
void
config_file_section_insert_in_config (struct t_config_section *section)
{
struct t_config_section *pos_section;
if (!section || !section->config_file)
return;
if (section->config_file->sections)
{
pos_section = config_file_section_find_pos (section->config_file,
section->name);
if (pos_section)
{
/* insert section into the list (before section found) */
section->prev_section = pos_section->prev_section;
section->next_section = pos_section;
if (pos_section->prev_section)
(pos_section->prev_section)->next_section = section;
else
(section->config_file)->sections = section;
pos_section->prev_section = section;
}
else
{
/* add section to end of sections */
section->prev_section = (section->config_file)->last_section;
section->next_section = NULL;
(section->config_file)->last_section->next_section = section;
(section->config_file)->last_section = section;
}
}
else
{
/* first section of file */
section->prev_section = NULL;
section->next_section = NULL;
(section->config_file)->sections = section;
(section->config_file)->last_section = section;
}
}
/*
* Creates a new section in a configuration file.
*
@@ -216,13 +351,7 @@ config_file_new_section (struct t_config_file *config_file, const char *name,
new_section->options = NULL;
new_section->last_option = NULL;
new_section->prev_section = config_file->last_section;
new_section->next_section = NULL;
if (config_file->sections)
config_file->last_section->next_section = new_section;
else
config_file->sections = new_section;
config_file->last_section = new_section;
config_file_section_insert_in_config (new_section);
}
return new_section;