config item bootstraping Mockup for review
This commit is contained in:
Christian Thaeter
parent
ea97119fa6
commit
c7af270e42
3 changed files with 243 additions and 42 deletions
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@ -47,16 +47,6 @@ struct lumiera_configentry_struct
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lumiera_configitem entry;
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};
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LumieraConfigentry
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lumiera_configentry_init (const char* entry);
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LumieraConfigentry
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lumiera_configentry_destroy (LumieraConfigentry self);
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LumieraConfigentry
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lumiera_configentry_new (const char* data);
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void
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lumiera_configentry_delete ();
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219
src/backend/configitem.c
Normal file
219
src/backend/configitem.c
Normal file
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@ -0,0 +1,219 @@
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/*
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configitem.c - generalized hierachy of configuration items
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Copyright (C) Lumiera.org
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2008, Christian Thaeter <ct@pipapo.org>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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//TODO: Support library includes//
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#include "lib/llist.h"
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#include "lib/safeclib.h"
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//TODO: Lumiera header includes//
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#include "backend/config.h"
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#include "backend/configitem.h"
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#include "backend/configentry.h"
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//TODO: internal/static forward declarations//
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//TODO: System includes//
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/**
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* @file
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*
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*/
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//code goes here//
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LumieraConfigitem
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lumiera_configitem_init (LumieraConfigitem self)
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{
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TRACE (config_item);
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REQUIRE (self);
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llist_init (&self->link);
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self->parent = NULL;
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llist_init (&self->childs);
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llist_init (&self->lookup);
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self->line = NULL;
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self->key = NULL;
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self->key_size = 0;
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self->delim = NULL;
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self->type = LUMIERA_CONFIGERRONEOUS;
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return self;
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}
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LumieraConfigitem
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lumiera_configitem_destroy (LumieraConfigitem self)
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{
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TRACE (config_item);
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REQUIRE (self);
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#if 0
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if (!llist_is_empty (&self->lookup))
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TODO ("remove from the lookup hash");
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ENSURE (llist_is_empty (&self->childs), "TODO recursively remove childs (needs some kind of typed destructor)");
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llist_unlink (&self->link);
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lumiera_free (self->line);
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#endif
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return self;
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}
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LumieraConfigitem
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lumiera_configitem_new (const char* line)
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{
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TRACE (config_item);
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/* MOCKUP */
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// create a temporary configitem for parsing
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lumiera_configitem tmp;
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lumiera_configitem_init (&tmp);
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lumiera_configitem_parse (&tmp, line);
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FIXME ("MOCKUP only");
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LumieraConfigitem self = NULL;
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switch (tmp.type)
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{
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case LUMIERA_CONFIGFILE:
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break;
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case LUMIERA_CONFIGSECTION:
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break;
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case LUMIERA_CONFIGCOMMENT:
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break;
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case LUMIERA_CONFIGDIRECTIVE:
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break;
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case LUMIERA_CONFIGENTRY:
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self = lumiera_malloc (sizeof (lumiera_configentry));
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TODO ("call lumiera_configentry ctor");
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break;
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case LUMIERA_CONFIGERRONEOUS:
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break;
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}
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lumiera_configitem_move (self, &tmp);
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return self;
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}
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void
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lumiera_configitem_delete (LumieraConfigitem self)
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{
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TRACE (config_item);
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UNIMPLEMENTED ();
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}
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LumieraConfigitem
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lumiera_configitem_move (LumieraConfigitem self, LumieraConfigitem source)
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{
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TRACE (config_item);
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REQUIRE (self);
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REQUIRE (source);
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llist_move (&self->link, &source->link);
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self->parent = source->parent;
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llist_move (&self->childs, &source->childs);
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llist_move (&self->lookup, &source->lookup);
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self->line = source->line;
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source->line = NULL;
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self->key = source->key;
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self->key_size = source->key_size;
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self->delim = source->delim;
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self->type = source->type;
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return self;
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}
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LumieraConfigitem
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lumiera_configitem_parse (LumieraConfigitem self, const char* line)
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{
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TRACE (config_item);
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FIXME ("MOCKUP only");
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self->line = lumiera_strndup (line, SIZE_MAX);
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TODO ("parsing here");
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// MOCKUP pretrend this is an entry
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self->type = LUMIERA_CONFIGENTRY;
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return self;
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}
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/*
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brainstorm:
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identify the type of a configitem:
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file:
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parent == NULL
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line = filename (might be NULL for virtual files)
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delim = NULL
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section:
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*delim == ' ' or ']'
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*key != '@'
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comment:
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*key == NULL
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directive:
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*key == '@'
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*delim == ' '
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configurationentry:
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*delim == '='
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*/
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/*
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// Local Variables:
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// mode: C
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// c-file-style: "gnu"
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// indent-tabs-mode: nil
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// End:
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*/
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@ -23,11 +23,12 @@
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#define LUMIERA_CONFIGITEM_H
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//TODO: Support library includes//
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#include "lib/llist.h"
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//TODO: Forward declarations//
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typedef struct lumiera_configitem_struct lumiera_configitem;
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typedef struct lumiera_configitem* LumieraConfigitem;
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typedef lumiera_configitem* LumieraConfigitem;
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//TODO: Lumiera header includes//
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@ -65,7 +66,7 @@ typedef struct lumiera_configitem* LumieraConfigitem;
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enum lumiera_configitem_type
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{
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LUMIERA_CONFIGFILE,
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LUMIERA_CONFISECTION,
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LUMIERA_CONFIGSECTION,
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LUMIERA_CONFIGCOMMENT,
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LUMIERA_CONFIGDIRECTIVE,
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LUMIERA_CONFIGENTRY,
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@ -100,46 +101,37 @@ enum lumiera_configitem_type
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struct lumiera_configitem_struct
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{
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llist link; // all lines on the same hierachy level are linked here (see childs)
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LumieraConfigitem parent; // parent section
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llist childs; // root node for all lines below this hierachy
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llist link; // all lines on the same hierachy level are linked here (see childs)
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LumieraConfigitem parent; // parent section
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llist childs; // root node for all lines below this hierachy
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llist lookup; // all lines with the same key are stacked up on the loockup
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llist lookup; // all lines with the same key are stacked up on the loockup
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char* line; // raw line as read in allocated here trailing \n will be replaced with \0
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char* key; // pointer into line to start of key
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char* line; // raw line as read in allocated here trailing \n will be replaced with \0
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char* key; // pointer into line to start of key
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size_t key_size;
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char* delim; // delimiter, value starts at delim+1
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};
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struct lumiera_configitem_vtable
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{
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char* delim; // delimiter, value starts at delim+1
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enum lumiera_configitem_type type; /* TODO tag by dtor instead enum */
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};
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/*
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brainstorm:
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LumieraConfigitem
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lumiera_configitem_init (LumieraConfigitem self);
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identify the type of a configitem:
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LumieraConfigitem
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lumiera_configitem_destroy (LumieraConfigitem self);
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file:
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parent == NULL
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line = filename (might be NULL for virtual files)
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delim = NULL
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section:
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*delim == ' ' or ']'
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*key != '@'
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comment:
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*key == NULL
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directive:
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*key == '@'
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*delim == ' '
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configurationentry:
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*delim == '='
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LumieraConfigitem
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lumiera_configitem_new (const char* line);
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*/
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void
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lumiera_configitem_delete (LumieraConfigitem self);
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LumieraConfigitem
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lumiera_configitem_parse (LumieraConfigitem self, const char* line);
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LumieraConfigitem
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lumiera_configitem_move (LumieraConfigitem self, LumieraConfigitem dest);
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#endif
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/*
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