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/* -*- Mode: C -*- */
/*======================================================================
FILE: icalproperty.c
CREATOR: eric 28 April 1999
$Id: icalproperty.c.in,v 1.1 2000/12/11 22:05:59 federico Exp $
(C) COPYRIGHT 2000, Eric Busboom, http://www.softwarestudio.org
This program is free software; you can redistribute it and/or modify
it under the terms of either:
The LGPL as published by the Free Software Foundation, version
2.1, available at: http://www.fsf.org/copyleft/lesser.html
Or:
The Mozilla Public License Version 1.0. You may obtain a copy of
the License at http://www.mozilla.org/MPL/
The original code is icalproperty.c
======================================================================*/
#line 27 "icalproperty.c.in"
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "icalproperty.h"
#include "icalcomponent.h"
#include "pvl.h"
#include "icalenums.h"
#include "icalerror.h"
#include "icalmemory.h"
#include <string.h> /* For icalmemory_strdup, rindex */
#include <assert.h>
#include <stdlib.h>
#include <errno.h>
#include <stdio.h> /* for printf */
#include <stdarg.h> /* for va_list, va_start, etc. */
#define TMP_BUF_SIZE 1024
/* Private routines for icalproperty */
void icalvalue_set_parent(icalvalue* value,
icalproperty* property);
icalproperty* icalvalue_get_parent(icalvalue* value);
void icalparameter_set_parent(icalparameter* param,
icalproperty* property);
icalproperty* icalparameter_get_parent(icalparameter* value);
void icalproperty_set_x_name(icalproperty* prop, char* name);
struct icalproperty_impl
{
char id[5];
icalproperty_kind kind;
char* x_name;
pvl_list parameters;
pvl_elem parameter_iterator;
icalvalue* value;
icalcomponent *parent;
};
void icalproperty_add_parameters(struct icalproperty_impl *impl,va_list args)
{
void* vp;
while((vp = va_arg(args, void*)) != 0) {
if (icalvalue_isa_value(vp) != 0 ){
} else if (icalparameter_isa_parameter(vp) != 0 ){
icalproperty_add_parameter((icalproperty*)impl,
(icalparameter*)vp);
} else {
assert(0);
}
}
}
struct icalproperty_impl*
icalproperty_new_impl (icalproperty_kind kind)
{
struct icalproperty_impl* prop;
if ( ( prop = (struct icalproperty_impl*)
malloc(sizeof(struct icalproperty_impl))) == 0) {
icalerror_set_errno(ICAL_NEWFAILED_ERROR);
return 0;
}
strcpy(prop->id,"prop");
prop->kind = kind;
prop->parameters = pvl_newlist();
prop->parameter_iterator = 0;
prop->value = 0;
prop->x_name = 0;
prop->parent = 0;
return prop;
}
icalproperty*
icalproperty_new (icalproperty_kind kind)
{
icalproperty *prop = (icalproperty*)icalproperty_new_impl(kind);
return prop;
}
icalproperty*
icalproperty_new_clone(icalproperty* prop)
{
struct icalproperty_impl *old = (struct icalproperty_impl*)prop;
struct icalproperty_impl *new = icalproperty_new_impl(old->kind);
pvl_elem p;
icalerror_check_arg_rz((prop!=0),"Prop");
icalerror_check_arg_rz((old!=0),"old");
icalerror_check_arg_rz((new!=0),"new");
if (old->value !=0) {
new->value = icalvalue_new_clone(old->value);
}
if (old->x_name != 0) {
new->x_name = icalmemory_strdup(old->x_name);
if (new->x_name == 0) {
icalproperty_free(new);
icalerror_set_errno(ICAL_NEWFAILED_ERROR);
return 0;
}
}
for(p=pvl_head(old->parameters);p != 0; p = pvl_next(p)){
icalparameter *param = icalparameter_new_clone(pvl_data(p));
if (param == 0){
icalproperty_free(new);
icalerror_set_errno(ICAL_NEWFAILED_ERROR);
return 0;
}
pvl_push(new->parameters,param);
}
return new;
}
/* This one works a little differently from the other *_from_string
routines; the string input is the name of the property, not the
data associated with the property, as it is in
icalvalue_from_string. All of the parsing associated with
properties is driven by routines in icalparse.c */
icalproperty* icalproperty_new_from_string(char* str)
{
icalproperty_kind kind;
icalerror_check_arg_rz( (str!=0),"str");
kind = icalenum_string_to_property_kind(str);
if (kind == ICAL_NO_PROPERTY){
if( str[0] == 'X' && str[1] == '-'){
icalproperty *p = icalproperty_new(ICAL_X_PROPERTY);
icalproperty_set_x_name(p,str);
return p;
} else {
icalerror_set_errno(ICAL_MALFORMEDDATA_ERROR);
return 0;
}
} else {
return icalproperty_new(kind);
}
}
void
icalproperty_free (icalproperty* prop)
{
struct icalproperty_impl *p;
icalparameter* param;
icalerror_check_arg_rv((prop!=0),"prop");
p = (struct icalproperty_impl*)prop;
#ifdef ICAL_FREE_ON_LIST_IS_ERROR
icalerror_assert( (p->parent ==0),"Tried to free a property that is still attached to a component. ");
#else
if(p->parent !=0){
return;
}
#endif
if (p->value != 0){
icalvalue_set_parent(p->value,0);
icalvalue_free(p->value);
}
while( (param = pvl_pop(p->parameters)) != 0){
icalparameter_free(param);
}
pvl_free(p->parameters);
if (p->x_name != 0) {
free(p->x_name);
}
p->kind = ICAL_NO_PROPERTY;
p->parameters = 0;
p->parameter_iterator = 0;
p->value = 0;
p->x_name = 0;
p->id[0] = 'X';
free(p);
}
char*
icalproperty_as_ical_string (icalproperty* prop)
{
icalparameter *param;
/* Create new buffer that we can append names, parameters and a
value to, and reallocate as needed. Later, this buffer will be
copied to a icalmemory_tmp_buffer, which is managed internally
by libical, so it can be given to the caller without fear of
the caller forgetting to free it */
const char* property_name = 0;
size_t buf_size = 1024;
char* buf = icalmemory_new_buffer(buf_size);
char* buf_ptr = buf;
icalvalue* value;
char *out_buf;
char newline[] = "\n";
struct icalproperty_impl *impl = (struct icalproperty_impl*)prop;
icalerror_check_arg_rz( (prop!=0),"prop");
/* Append property name */
if (impl->kind == ICAL_X_PROPERTY && impl->x_name != 0){
property_name = impl->x_name;
} else {
property_name = icalenum_property_kind_to_string(impl->kind);
}
if (property_name == 0 ) {
icalerror_warn("Got a property of an unknown kind.");
icalmemory_free_buffer(buf);
return 0;
}
icalmemory_append_string(&buf, &buf_ptr, &buf_size, property_name);
icalmemory_append_string(&buf, &buf_ptr, &buf_size, newline);
/* Append parameters */
for(param = icalproperty_get_first_parameter(prop,ICAL_ANY_PARAMETER);
param != 0;
param = icalproperty_get_next_parameter(prop,ICAL_ANY_PARAMETER)) {
char* kind_string = icalparameter_as_ical_string(param);
if (kind_string == 0 ) {
char temp[TMP_BUF_SIZE];
snprintf(temp, TMP_BUF_SIZE,"Got a parameter of unknown kind in %s property",property_name);
icalerror_warn(temp);
continue;
}
icalmemory_append_string(&buf, &buf_ptr, &buf_size, " ;");
icalmemory_append_string(&buf, &buf_ptr, &buf_size, kind_string);
icalmemory_append_string(&buf, &buf_ptr, &buf_size, newline);
}
/* Append value */
icalmemory_append_string(&buf, &buf_ptr, &buf_size, " :");
value = icalproperty_get_value(prop);
if (value != 0){
const char *str = icalvalue_as_ical_string(value);
icalerror_assert((str !=0),"Could not get string representation of a value");
icalmemory_append_string(&buf, &buf_ptr, &buf_size, str);
} else {
icalmemory_append_string(&buf, &buf_ptr, &buf_size,"ERROR: No Value");
}
icalmemory_append_string(&buf, &buf_ptr, &buf_size, newline);
/* Now, copy the buffer to a tmp_buffer, which is safe to give to
the caller without worring about de-allocating it. */
out_buf = icalmemory_tmp_buffer(strlen(buf)+1);
strcpy(out_buf, buf);
icalmemory_free_buffer(buf);
return out_buf;
}
icalproperty_kind
icalproperty_isa (icalproperty* property)
{
struct icalproperty_impl *p = (struct icalproperty_impl*)property;
if(property != 0){
return p->kind;
}
return ICAL_NO_PROPERTY;
}
int
icalproperty_isa_property (void* property)
{
struct icalproperty_impl *impl = (struct icalproperty_impl*)property;
icalerror_check_arg_rz( (property!=0), "property");
if (strcmp(impl->id,"prop") == 0) {
return 1;
} else {
return 0;
}
}
void
icalproperty_add_parameter (icalproperty* prop,icalparameter* parameter)
{
struct icalproperty_impl *p = (struct icalproperty_impl*)prop;
icalerror_check_arg_rv( (prop!=0),"prop");
icalerror_check_arg_rv( (parameter!=0),"parameter");
pvl_push(p->parameters, parameter);
}
void
icalproperty_set_parameter (icalproperty* prop,icalparameter* parameter)
{
icalproperty_kind kind;
kind = icalparameter_isa(parameter);
icalproperty_remove_parameter(prop,kind);
icalproperty_add_parameter(prop,parameter);
}
void
icalproperty_remove_parameter (icalproperty* prop, icalparameter_kind kind)
{
pvl_elem p;
struct icalproperty_impl *impl = (struct icalproperty_impl*)prop;
icalerror_check_arg_rv((prop!=0),"prop");
for(p=pvl_head(impl->parameters);p != 0; p = pvl_next(p)){
icalparameter* param = (icalparameter *)pvl_data (p);
if (icalparameter_isa(param) == kind) {
pvl_remove (impl->parameters, p);
icalparameter_free (param);
break;
}
}
}
int
icalproperty_count_parameters (icalproperty* prop)
{
struct icalproperty_impl *p = (struct icalproperty_impl*)prop;
if(prop != 0){
return pvl_count(p->parameters);
}
icalerror_set_errno(ICAL_USAGE_ERROR);
return -1;
}
icalparameter*
icalproperty_get_first_parameter (icalproperty* prop, icalparameter_kind kind)
{
struct icalproperty_impl *p = (struct icalproperty_impl*)prop;
icalerror_check_arg_rz( (prop!=0),"prop");
p->parameter_iterator = pvl_head(p->parameters);
if (p->parameter_iterator == 0) {
return 0;
}
for( p->parameter_iterator = pvl_head(p->parameters);
p->parameter_iterator !=0;
p->parameter_iterator = pvl_next(p->parameter_iterator)){
icalparameter *param = (icalparameter*)pvl_data(p->parameter_iterator);
if(icalparameter_isa(param) == kind || kind == ICAL_ANY_PARAMETER){
return param;
}
}
return 0;
}
icalparameter*
icalproperty_get_next_parameter (icalproperty* prop, icalparameter_kind kind)
{
struct icalproperty_impl *p = (struct icalproperty_impl*)prop;
icalerror_check_arg_rz( (prop!=0),"prop");
if (p->parameter_iterator == 0) {
return 0;
}
for( p->parameter_iterator = pvl_next(p->parameter_iterator);
p->parameter_iterator !=0;
p->parameter_iterator = pvl_next(p->parameter_iterator)){
icalparameter *param = (icalparameter*)pvl_data(p->parameter_iterator);
if(icalparameter_isa(param) == kind || kind == ICAL_ANY_PARAMETER){
return param;
}
}
return 0;
}
void
icalproperty_set_value (icalproperty* prop, icalvalue* value)
{
struct icalproperty_impl *p = (struct icalproperty_impl*)prop;
icalerror_check_arg_rv((prop !=0),"prop");
icalerror_check_arg_rv((value !=0),"value");
if (p->value != 0){
icalvalue_set_parent(p->value,0);
icalvalue_free(p->value);
p->value = 0;
}
p->value = value;
icalvalue_set_parent(value,prop);
}
icalvalue*
icalproperty_get_value (icalproperty* prop)
{
struct icalproperty_impl *p = (struct icalproperty_impl*)prop;
icalerror_check_arg_rz( (prop!=0),"prop");
return p->value;
}
void icalproperty_set_x_name(icalproperty* prop, char* name)
{
struct icalproperty_impl *impl = (struct icalproperty_impl*)prop;
icalerror_check_arg_rv( (name!=0),"name");
icalerror_check_arg_rv( (prop!=0),"prop");
if (impl->x_name != 0) {
free(impl->x_name);
}
impl->x_name = icalmemory_strdup(name);
if(impl->x_name == 0){
icalerror_set_errno(ICAL_ALLOCATION_ERROR);
}
}
char* icalproperty_get_x_name(icalproperty* prop){
struct icalproperty_impl *impl = (struct icalproperty_impl*)prop;
icalerror_check_arg_rz( (prop!=0),"prop");
return impl->x_name;
}
void icalproperty_set_parent(icalproperty* property,
icalcomponent* component)
{
struct icalproperty_impl *impl = (struct icalproperty_impl*)property;
icalerror_check_arg_rv( (property!=0),"property");
impl->parent = component;
}
icalcomponent* icalproperty_get_parent(icalproperty* property)
{
struct icalproperty_impl *impl = (struct icalproperty_impl*)property;
icalerror_check_arg_rv( (property!=0),"property");
return impl->parent;
}
/* Everything below this line is machine generated. Do not edit. */
|