126 lines
3.6 KiB
C
126 lines
3.6 KiB
C
/**
|
|
* @file from_string.c
|
|
* @author Ambroz Bizjak <ambrop7@gmail.com>
|
|
*
|
|
* @section LICENSE
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the author nor the
|
|
* names of its contributors may be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
|
|
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
|
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
* @section DESCRIPTION
|
|
*
|
|
* Synopsis:
|
|
* from_string(string str)
|
|
* Variables:
|
|
* (empty) - str, parsed as a value
|
|
*/
|
|
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include <ncd/NCDModule.h>
|
|
#include <ncd/NCDValParser.h>
|
|
#include <ncd/static_strings.h>
|
|
|
|
#include <generated/blog_channel_ncd_from_string.h>
|
|
|
|
#define ModuleLog(i, ...) NCDModuleInst_Backend_Log((i), BLOG_CURRENT_CHANNEL, __VA_ARGS__)
|
|
|
|
struct instance {
|
|
NCDModuleInst *i;
|
|
NCDValMem mem;
|
|
NCDValRef val;
|
|
};
|
|
|
|
static void func_new (void *vo, NCDModuleInst *i, const struct NCDModuleInst_new_params *params)
|
|
{
|
|
struct instance *o = vo;
|
|
o->i = i;
|
|
|
|
// read arguments
|
|
NCDValRef str_arg;
|
|
if (!NCDVal_ListRead(params->args, 1, &str_arg)) {
|
|
ModuleLog(i, BLOG_ERROR, "wrong arity");
|
|
goto fail0;
|
|
}
|
|
if (!NCDVal_IsString(str_arg)) {
|
|
ModuleLog(i, BLOG_ERROR, "wrong type");
|
|
goto fail0;
|
|
}
|
|
|
|
// init mem
|
|
NCDValMem_Init(&o->mem);
|
|
|
|
// parse value string
|
|
if (!NCDValParser_Parse(NCDVal_StringData(str_arg), NCDVal_StringLength(str_arg), &o->mem, &o->val)) {
|
|
ModuleLog(i, BLOG_ERROR, "failed to parse");
|
|
goto fail1;
|
|
}
|
|
|
|
// signal up
|
|
NCDModuleInst_Backend_Up(i);
|
|
return;
|
|
|
|
fail1:
|
|
NCDValMem_Free(&o->mem);
|
|
fail0:
|
|
NCDModuleInst_Backend_DeadError(i);
|
|
}
|
|
|
|
static void func_die (void *vo)
|
|
{
|
|
struct instance *o = vo;
|
|
|
|
// free mem
|
|
NCDValMem_Free(&o->mem);
|
|
|
|
NCDModuleInst_Backend_Dead(o->i);
|
|
}
|
|
|
|
static int func_getvar2 (void *vo, NCD_string_id_t name, NCDValMem *mem, NCDValRef *out)
|
|
{
|
|
struct instance *o = vo;
|
|
|
|
if (name == NCD_STRING_EMPTY) {
|
|
*out = NCDVal_NewCopy(mem, o->val);
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct NCDModule modules[] = {
|
|
{
|
|
.type = "from_string",
|
|
.func_new2 = func_new,
|
|
.func_die = func_die,
|
|
.func_getvar2 = func_getvar2,
|
|
.alloc_size = sizeof(struct instance)
|
|
}, {
|
|
.type = NULL
|
|
}
|
|
};
|
|
|
|
const struct NCDModuleGroup ncdmodule_from_string = {
|
|
.modules = modules
|
|
};
|