diff options
Diffstat (limited to 'libkcal/libical/src/libical/icalparameter.c')
| -rw-r--r-- | libkcal/libical/src/libical/icalparameter.c | 384 |
1 files changed, 384 insertions, 0 deletions
diff --git a/libkcal/libical/src/libical/icalparameter.c b/libkcal/libical/src/libical/icalparameter.c new file mode 100644 index 00000000..52029e31 --- /dev/null +++ b/libkcal/libical/src/libical/icalparameter.c @@ -0,0 +1,384 @@ +/* -*- Mode: C -*- + ====================================================================== + FILE: icalderivedparameters.{c,h} + CREATOR: eric 09 May 1999 + + + + (C) COPYRIGHT 2000, Eric Busboom <eric@softwarestudio.org> + 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 icalderivedparameters.{c,h} + + Contributions from: + Graham Davison <g.m.davison@computer.org> + + ======================================================================*/ +/*#line 29 "icalparameter.c.in"*/ +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + + +#include "icalparameter.h" +#include "icalproperty.h" +#include "icalerror.h" +#include "icalmemory.h" +#include "icalparameterimpl.h" + +#include <stdlib.h> /* for malloc() */ +#include <errno.h> +#include <string.h> /* for memset() */ + +/* In icalderivedparameter */ +icalparameter* icalparameter_new_from_value_string(icalparameter_kind kind,const char* val); + + +struct icalparameter_impl* icalparameter_new_impl(icalparameter_kind kind) +{ + struct icalparameter_impl* v; + + if ( ( v = (struct icalparameter_impl*) + malloc(sizeof(struct icalparameter_impl))) == 0) { + icalerror_set_errno(ICAL_NEWFAILED_ERROR); + return 0; + } + + strcpy(v->id,"para"); + + v->kind = kind; + v->size = 0; + v->string = 0; + v->x_name = 0; + v->parent = 0; + v->data = 0; + + return v; +} + +icalparameter* +icalparameter_new (icalparameter_kind kind) +{ + struct icalparameter_impl* v = icalparameter_new_impl(kind); + + return (icalparameter*) v; + +} + +void +icalparameter_free (icalparameter* param) +{ + +/* HACK. This always triggers, even when parameter is non-zero + icalerror_check_arg_rv((parameter==0),"parameter");*/ + + +#ifdef ICAL_FREE_ON_LIST_IS_ERROR + icalerror_assert( (param->parent ==0),"Tried to free a parameter that is still attached to a component. "); + +#else + if(param->parent !=0){ + return; + } +#endif + + + if (param->string != 0){ + free ((void*)param->string); + } + + if (param->x_name != 0){ + free ((void*)param->x_name); + } + + memset(param,0,sizeof(param)); + + param->parent = 0; + param->id[0] = 'X'; + free(param); +} + + + +icalparameter* +icalparameter_new_clone(icalparameter* old) +{ + struct icalparameter_impl *new; + + new = icalparameter_new_impl(old->kind); + + icalerror_check_arg_rz((old!=0),"param"); + + if (new == 0){ + return 0; + } + + memcpy(new,old,sizeof(struct icalparameter_impl)); + + if (old->string != 0){ + new->string = icalmemory_strdup(old->string); + if (new->string == 0){ + icalparameter_free(new); + return 0; + } + } + + if (old->x_name != 0){ + new->x_name = icalmemory_strdup(old->x_name); + if (new->x_name == 0){ + icalparameter_free(new); + return 0; + } + } + + return new; +} + +icalparameter* icalparameter_new_from_string(const char *str) +{ + char* eq; + char* cpy; + icalparameter_kind kind; + icalparameter *param; + + icalerror_check_arg_rz(str != 0,"str"); + + cpy = icalmemory_strdup(str); + + if (cpy == 0){ + icalerror_set_errno(ICAL_NEWFAILED_ERROR); + return 0; + } + + eq = strchr(cpy,'='); + + if(eq == 0){ + icalerror_set_errno(ICAL_MALFORMEDDATA_ERROR); + return 0; + } + + *eq = '\0'; + + eq++; + + kind = icalparameter_string_to_kind(cpy); + + if(kind == ICAL_NO_PARAMETER){ + icalerror_set_errno(ICAL_MALFORMEDDATA_ERROR); + return 0; + } + + param = icalparameter_new_from_value_string(kind,eq); + + if(kind == ICAL_X_PARAMETER){ + icalparameter_set_xname(param,cpy); + } + + free(cpy); + + return param; + +} + +/** + * Return a string representation of the parameter according to RFC2445. + * + * param = param-name "=" param-value + * param-name = iana-token / x-token + * param-value = paramtext /quoted-string + * paramtext = *SAFE-SHARE + * quoted-string= DQUOTE *QSAFE-CHARE DQUOTE + * QSAFE-CHAR = any character except CTLs and DQUOTE + * SAFE-CHAR = any character except CTLs, DQUOTE. ";", ":", "," + */ +char* +icalparameter_as_ical_string (icalparameter* param) +{ + size_t buf_size = 1024; + char* buf; + char* buf_ptr; + char *out_buf; + const char *kind_string; + + icalerror_check_arg_rz( (param!=0), "parameter"); + + /* 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 */ + + buf = icalmemory_new_buffer(buf_size); + buf_ptr = buf; + + if(param->kind == ICAL_X_PARAMETER) { + + icalmemory_append_string(&buf, &buf_ptr, &buf_size, + icalparameter_get_xname(param)); + + } else { + + kind_string = icalparameter_kind_to_string(param->kind); + + if (param->kind == ICAL_NO_PARAMETER || + param->kind == ICAL_ANY_PARAMETER || + kind_string == 0) + { + icalerror_set_errno(ICAL_BADARG_ERROR); + return 0; + } + + + /* Put the parameter name into the string */ + icalmemory_append_string(&buf, &buf_ptr, &buf_size, kind_string); + + } + + icalmemory_append_string(&buf, &buf_ptr, &buf_size, "="); + + if(param->string !=0){ + int qm = 0; + + /* Encapsulate the property in quotes if necessary */ + if (strpbrk(param->string, ";:,") != 0) { + icalmemory_append_char (&buf, &buf_ptr, &buf_size, '"'); + qm = 1; + } + icalmemory_append_string(&buf, &buf_ptr, &buf_size, param->string); + if (qm == 1) { + icalmemory_append_char (&buf, &buf_ptr, &buf_size, '"'); + } + } else if (param->data != 0){ + const char* str = icalparameter_enum_to_string(param->data); + icalmemory_append_string(&buf, &buf_ptr, &buf_size, str); + } else { + icalerror_set_errno(ICAL_MALFORMEDDATA_ERROR); + return 0; + } + + /* 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; + +} + + +int +icalparameter_is_valid (icalparameter* parameter); + + +icalparameter_kind +icalparameter_isa (icalparameter* parameter) +{ + if(parameter == 0){ + return ICAL_NO_PARAMETER; + } + + return parameter->kind; +} + + +int +icalparameter_isa_parameter (void* parameter) +{ + struct icalparameter_impl *impl = (struct icalparameter_impl *)parameter; + + if (parameter == 0){ + return 0; + } + + if (strcmp(impl->id,"para") == 0) { + return 1; + } else { + return 0; + } +} + + +void +icalparameter_set_xname (icalparameter* param, const char* v) +{ + icalerror_check_arg_rv( (param!=0),"param"); + icalerror_check_arg_rv( (v!=0),"v"); + + if (param->x_name != 0){ + free((void*)param->x_name); + } + + param->x_name = icalmemory_strdup(v); + + if (param->x_name == 0){ + errno = ENOMEM; + } + +} + +const char* +icalparameter_get_xname (icalparameter* param) +{ + icalerror_check_arg_rz( (param!=0),"param"); + + return param->x_name; +} + +void +icalparameter_set_xvalue (icalparameter* param, const char* v) +{ + icalerror_check_arg_rv( (param!=0),"param"); + icalerror_check_arg_rv( (v!=0),"v"); + + if (param->string != 0){ + free((void*)param->string); + } + + param->string = icalmemory_strdup(v); + + if (param->string == 0){ + errno = ENOMEM; + } + +} + +const char* +icalparameter_get_xvalue (icalparameter* param) +{ + icalerror_check_arg_rz( (param!=0),"param"); + + return param->string; +} + +void icalparameter_set_parent(icalparameter* param, + icalproperty* property) +{ + icalerror_check_arg_rv( (param!=0),"param"); + + param->parent = property; +} + +icalproperty* icalparameter_get_parent(icalparameter* param) +{ + icalerror_check_arg_rz( (param!=0),"param"); + + return param->parent; +} + + +/* Everything below this line is machine generated. Do not edit. */ +/* ALTREP */ |