amxd_path.c File Reference

#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <ctype.h>
#include <limits.h>
#include <errno.h>
#include <amxc/amxc.h>
#include <amxp/amxp.h>
#include <amxd/amxd_object.h>
#include <amxd/amxd_path.h>
#include "amxd_priv.h"
#include "amxd_object_priv.h"
#include "amxd_assert.h"

Go to the source code of this file.

Functions
static bool	amxd_build_path_common (amxc_string_t *path_part, amxc_var_t *path_parts, const char *token, bool *quotes, bool *sb, bool *cb)
static amxc_string_split_status_t	amxd_build_path_parts (amxc_llist_t *all, amxc_var_t *path_parts)
static amxd_path_type_t	amxd_path_is (amxd_path_t *path)
static amxd_status_t	amxd_path_take_param (amxd_path_t *path)
static amxd_status_t	amxd_path_split (amxd_path_t *path, amxc_string_split_builder_t fn)
static int	isdot (int c)
static void	amxd_path_add_dot (amxd_path_t *path, bool add_dot)
static amxd_status_t	amxd_path_validate (amxd_path_t *path)
amxd_status_t	amxd_path_init (amxd_path_t *path, const char *object_path)
	Initializes an amxd_path_t structure. More...
void	amxd_path_clean (amxd_path_t *path)
	Cleans an amxd_path_t structure. More...
amxd_status_t	amxd_path_new (amxd_path_t **path, const char *object_path)
	Allocates and initializes an amxd_path_t structure. More...
void	amxd_path_delete (amxd_path_t **path)
	Frees an allocated amxd_path_t structure. More...
void	amxd_path_reset (amxd_path_t *path)
	Resets the amxd_path_t structure. More...
amxd_status_t	amxd_path_vsetf (amxd_path_t *path, bool add_dot, const char *obj_path, va_list args)
	Sets or replaces the path contained in the amxd_path_t structure. More...
amxd_status_t	amxd_path_setf (amxd_path_t *path, bool add_dot, const char *obj_path,...)
amxd_status_t	amxd_path_append (amxd_path_t *path, const char *extension, bool add_dot)
	Appends a parameter name or object name/index to the path. More...
amxd_status_t	amxd_path_prepend (amxd_path_t *path, const char *extension)
	Prepends an object name/index to the path. More...
const char *	amxd_path_get (amxd_path_t *path, int flags)
	Returns the path stored in the amxd_path_t structure. More...
const char *	amxd_path_get_param (amxd_path_t *path)
	Gets the parameter name. More...
char *	amxd_path_get_first (amxd_path_t *path, bool remove)
	Gets the first part of the path. More...
char *	amxd_path_get_last (amxd_path_t *path, bool remove)
	Gets the last part of the path. More...
char *	amxd_path_get_fixed_part (amxd_path_t *path, bool remove)
	Gets the fixed part of the path. More...
char *	amxd_path_get_supported_path (amxd_path_t *path)
	Translates the path into a path that can be used to fetch the object definition. More...
char *	amxd_path_get_reference_part (amxd_path_t *path, bool remove)
	Returns the reference path. More...
uint32_t	amxd_path_get_reference_index (amxd_path_t *path)
	Returns the reference path index. More...
char *	amxd_path_build_supported_path (amxd_path_t *path)
	Creates the supported path representation of the given path. More...
uint32_t	amxd_path_get_depth (const amxd_path_t *const path)
	Calculates the depth of the path. More...
bool	amxd_path_is_instance_path (const amxd_path_t *const path)
	Checks if the path is in the instantiated data model. More...
char *	amxd_path_get_param_path (amxd_path_t *path)
	Get the full parameter path from the provided amxd_path_t struct. More...

Function Documentation

amxd_build_path_common()

static bool amxd_build_path_common ( amxc_string_t *  path_part, amxc_var_t *  path_parts, const char *  token, bool *  quotes, bool *  sb, bool *  cb  )

static

Definition at line 72 of file amxd_path.c.

                                                                                        {
    bool dot = false;
    switch(token[0]) {
    case '"':
    case '\'':
        amxc_string_appendf(path_part, "%s", token);
        (*quotes) = !(*quotes);
        break;
    case '*':
        amxc_string_appendf(path_part, "%s", token);
        if(!(*quotes)) {
            amxc_var_add(cstring_t, path_parts, amxc_string_get(path_part, 0));
            amxc_string_reset(path_part);
        }
        break;
    case '[':
        if(!(*quotes)) {
            *sb = true;
        }
        amxc_string_appendf(path_part, "%s", token);
        break;
    case ']':
        amxc_string_appendf(path_part, "%s", token);
        if(!(*quotes)) {
            amxc_var_add(cstring_t, path_parts, amxc_string_get(path_part, 0));
            amxc_string_reset(path_part);
            *sb = false;
        }
        break;
    case '{':
        *cb = true;
        amxc_string_appendf(path_part, "%s", token);
        break;
    case '}':
        amxc_string_appendf(path_part, "%s", token);
        amxc_var_add(cstring_t, path_parts, amxc_string_get(path_part, 0));
        amxc_string_reset(path_part);
        *cb = false;
        break;
    case '.':
        amxc_string_appendf(path_part, "%s", token);
        dot = !(*quotes) && !(*sb);
        break;
    case '+':
    case '#':
        if(!(*quotes) && !(*sb)) {
            amxc_var_add(cstring_t, path_parts, amxc_string_get(path_part, 0));
            amxc_string_reset(path_part);
            amxc_string_appendf(path_part, "%s", token);
            dot = !(*quotes) && !(*sb);
        }
        break;
    default:
        amxc_string_appendf(path_part, "%s", token);
        break;
    }
    return dot;
}

amxd_build_path_parts()

static amxc_string_split_status_t amxd_build_path_parts ( amxc_llist_t *  all, amxc_var_t *  path_parts  )

static

Definition at line 132 of file amxd_path.c.

                                                                                {
    bool quotes = false;
    bool sb = false;
    bool cb = false;
    amxc_string_t path_part;
 
    amxc_var_set_type(path_parts, AMXC_VAR_ID_LIST);
 
    amxc_string_init(&path_part, 0);
    amxc_llist_for_each(it, all) {
        amxc_string_t* part = amxc_string_from_llist_it(it);
        const char* txt_part = amxc_string_get(part, 0);
        if(amxc_string_text_length(part) == 1) {
            if(amxd_build_path_common(&path_part, path_parts, txt_part, &quotes, &sb, &cb)) {
                amxc_var_add(cstring_t, path_parts, amxc_string_get(&path_part, 0));
                amxc_string_reset(&path_part);
            }
        } else {
            amxc_string_appendf(&path_part, "%s", txt_part);
        }
    }
    if(amxc_string_text_length(&path_part) > 0) {
        amxc_var_add(cstring_t, path_parts, amxc_string_get(&path_part, 0));
    }
    amxc_string_clean(&path_part);
    return AMXC_STRING_SPLIT_OK;
}

amxd_path_add_dot()

static void amxd_path_add_dot ( amxd_path_t *  path, bool  add_dot  )

static

Definition at line 300 of file amxd_path.c.

                                                               {
    if(!amxc_string_is_empty(&path->path) && add_dot) {
        if(path->path.buffer[path->path.last_used - 1] != '.') {
            amxc_string_append(&path->path, ".", 1);
        }
    }
}

amxd_path_is()

static amxd_path_type_t amxd_path_is ( amxd_path_t *  path )

static

Definition at line 161 of file amxd_path.c.

                                                        {
    bool has_supported = false;
    bool has_search = false;
    bool has_ref_index = false;
    amxd_path_type_t type = amxd_path_object;
 
    path->ref_index = 1;
 
    amxc_var_for_each(part, (&path->parts)) {
        const char* path_str = amxc_var_constcast(cstring_t, part);
        if(has_ref_index) {
            char* endptr = NULL;
            path->ref_index = labs(strtol(path_str, &endptr, 0));
            when_true_status(((errno == ERANGE) && ((path->ref_index == 0) || (path->ref_index == ULONG_MAX))) ||
                             ((errno != 0) && (path->ref_index == 0)),
                             exit,
                             type = amxd_path_invalid);
            when_true_status((endptr == path_str) || (*endptr != '\0'),
                             exit,
                             type = amxd_path_invalid);
            has_ref_index = false;
            continue;
        }
        switch(path_str[0]) {
        case '{':
            if(strncmp(path_str, "{i}", 3) != 0) {
                type = amxd_path_invalid;
                goto exit;
            }
            has_supported = true;
            break;
        case '*':
        case '[':
            has_search = true;
            break;
        case '"':
        case '\'':
            type = amxd_path_invalid;
            goto exit;
            break;
        case '+':
            type = amxd_path_reference;
            goto exit;
            break;
        case '#':
            has_ref_index = true;
            break;
        }
    }
 
    if(path->param != NULL) {
        if((path->param[0] == '{') && has_search) {
            type = amxd_path_invalid;
            goto exit;
        }
    }
 
    if(has_supported && !has_search) {
        type = amxd_path_supported;
    } else if(!has_supported && has_search) {
        type = amxd_path_search;
    } else if(has_supported && has_search) {
        type = amxd_path_invalid;
    }
 
    path->ref_index = (type != amxd_path_reference)? 0:path->ref_index;
 
exit:
    return type;
}

amxd_path_setf()

amxd_status_t amxd_path_setf	(	amxd_path_t *	path,
		bool	add_dot,
		const char *	obj_path,
			...
	)

Definition at line 424 of file amxd_path.c.

                                                        {
    amxd_status_t status = amxd_status_unknown_error;
    va_list args;
 
    when_null(path, exit);
    when_str_empty(obj_path, exit);
 
    va_start(args, obj_path);
    status = amxd_path_vsetf(path, add_dot, obj_path, args);
    va_end(args);
 
exit:
    return status;
}

amxd_path_split()

static amxd_status_t amxd_path_split ( amxd_path_t *  path, amxc_string_split_builder_t  fn  )

static

Definition at line 269 of file amxd_path.c.

                                                                     {
    amxd_status_t status = amxd_status_unknown_error;
 
    amxc_var_set_type(&path->parts, AMXC_VAR_ID_LIST);
    when_true_status(amxc_string_is_empty(&path->path),
                     exit,
                     status = amxd_status_ok);
 
    if(fn == NULL) {
        fn = amxd_build_path_parts;
    }
 
    if(amxc_string_split(&path->path,
                         &path->parts,
                         fn,
                         &path->reason) != AMXC_STRING_SPLIT_OK) {
        status = amxd_status_invalid_path;
        amxc_var_clean(&path->parts);
        goto exit;
    }
    status = amxd_path_take_param(path);
 
exit:
    return status;
}

amxd_path_take_param()

static amxd_status_t amxd_path_take_param ( amxd_path_t *  path )

static

Definition at line 232 of file amxd_path.c.

                                                             {
    amxd_status_t status = amxd_status_ok;
    amxc_llist_it_t* last = amxc_llist_get_last(&path->parts.data.vl);
    amxc_var_t* last_part = amxc_var_from_llist_it(last);
    const char* name = amxc_var_constcast(cstring_t, last_part);
    int length = 0;
 
    when_str_empty(name, exit);
    length = strlen(name);
 
    if(name[length - 1] != '.') {
        path->param = amxc_var_take(cstring_t, last_part);
 
        if(path->param[0] == '[') {
            status = amxd_status_invalid_path;
            amxc_var_push(cstring_t, last_part, path->param);
            path->param = NULL;
            goto exit;
        }
 
        amxc_llist_it_take(last);
 
        if(amxc_llist_is_empty(&path->parts.data.vl)) {
            amxc_var_set(cstring_t, last_part, ".");
            amxc_llist_append(&path->parts.data.vl, last);
        } else {
            amxc_var_delete(&last_part);
        }
 
        amxc_string_reset(&path->path);
        amxc_string_join_var(&path->path, &path->parts, "");
    }
 
exit:
    return status;
}

amxd_path_validate()

static amxd_status_t amxd_path_validate ( amxd_path_t *  path )

static

Definition at line 308 of file amxd_path.c.

                                                           {
    amxd_status_t status = amxd_status_ok;
    if((path->path.last_used > 0) &&
       ( path->path.buffer[path->path.last_used - 1] == '*')) {
        path->type = amxd_path_invalid;
        status = amxd_status_invalid_path;
        goto exit;
    }
    status = amxd_path_split(path, NULL);
    if(status != amxd_status_ok) {
        path->type = amxd_path_invalid;
    } else {
        path->type = amxd_path_is(path);
        status = path->type == amxd_path_invalid ? amxd_status_invalid_path : amxd_status_ok;
    }
 
exit:
    return status;
}

isdot()

static int isdot ( int  c )

static

Definition at line 296 of file amxd_path.c.

                        {
    return (c == '.') ? 1 : 0;
}