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|
/*
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| https://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Gustavo Lopes <cataphract@php.net> |
+----------------------------------------------------------------------+
*/
#include <unicode/rbbi.h>
#include <memory>
extern "C" {
#define USE_BREAKITERATOR_POINTER 1
#include "breakiterator_class.h"
#include <zend_exceptions.h>
#include <limits.h>
}
#include "../intl_convertcpp.h"
#include "../intl_common.h"
using icu::RuleBasedBreakIterator;
using icu::Locale;
static inline RuleBasedBreakIterator *fetch_rbbi(BreakIterator_object *bio) {
return (RuleBasedBreakIterator*)bio->biter;
}
static void _php_intlrbbi_constructor_body(INTERNAL_FUNCTION_PARAMETERS, zend_error_handling *error_handling, bool *error_handling_replaced)
{
char *rules;
size_t rules_len;
bool compiled = false;
UErrorCode status = U_ZERO_ERROR;
BREAKITER_METHOD_INIT_VARS;
object = ZEND_THIS;
ZEND_PARSE_PARAMETERS_START(1, 2)
Z_PARAM_STRING(rules, rules_len)
Z_PARAM_OPTIONAL
Z_PARAM_BOOL(compiled)
ZEND_PARSE_PARAMETERS_END();
BREAKITER_METHOD_FETCH_OBJECT_NO_CHECK;
if (bio->biter) {
zend_throw_error(NULL, "IntlRuleBasedBreakIterator object is already constructed");
RETURN_THROWS();
}
zend_replace_error_handling(EH_THROW, IntlException_ce_ptr, error_handling);
*error_handling_replaced = 1;
// instantiation of ICU object
RuleBasedBreakIterator *rbbi;
if (!compiled) {
UnicodeString rulesStr;
UParseError parseError = UParseError();
if (intl_stringFromChar(rulesStr, rules, rules_len, &status)
== FAILURE) {
zend_throw_exception(IntlException_ce_ptr,
"IntlRuleBasedBreakIterator::__construct(): "
"rules were not a valid UTF-8 string", 0);
RETURN_THROWS();
}
rbbi = new RuleBasedBreakIterator(rulesStr, parseError, status);
intl_error_set_code(NULL, status);
if (U_FAILURE(status)) {
smart_str parse_error_str;
parse_error_str = intl_parse_error_to_string(&parseError);
zend_throw_exception_ex(IntlException_ce_ptr, 0,
"IntlRuleBasedBreakIterator::__construct(): "
"unable to create RuleBasedBreakIterator from rules (%s)",
parse_error_str.s ? ZSTR_VAL(parse_error_str.s) : "");
smart_str_free(&parse_error_str);
delete rbbi;
RETURN_THROWS();
}
} else { // compiled
rbbi = new RuleBasedBreakIterator((uint8_t*)rules, rules_len, status);
if (U_FAILURE(status)) {
zend_throw_exception(IntlException_ce_ptr,
"IntlRuleBasedBreakIterator::__construct(): "
"unable to create instance from compiled rules", 0);
delete rbbi;
RETURN_THROWS();
}
}
breakiterator_object_create(return_value, rbbi, 0);
}
U_CFUNC PHP_METHOD(IntlRuleBasedBreakIterator, __construct)
{
zend_error_handling error_handling;
bool error_handling_replaced = 0;
return_value = ZEND_THIS;
_php_intlrbbi_constructor_body(INTERNAL_FUNCTION_PARAM_PASSTHRU, &error_handling, &error_handling_replaced);
if (error_handling_replaced) {
zend_restore_error_handling(&error_handling);
}
}
U_CFUNC PHP_METHOD(IntlRuleBasedBreakIterator, getRules)
{
BREAKITER_METHOD_INIT_VARS;
object = ZEND_THIS;
ZEND_PARSE_PARAMETERS_NONE();
BREAKITER_METHOD_FETCH_OBJECT;
zend_string *u8str;
const UnicodeString rules = fetch_rbbi(bio)->getRules();
u8str = intl_charFromString(rules, BREAKITER_ERROR_CODE_P(bio));
if (!u8str)
{
intl_errors_set(BREAKITER_ERROR_P(bio), BREAKITER_ERROR_CODE(bio),
"rbbi_hash_code: Error converting result to UTF-8 string",
0);
RETURN_FALSE;
}
RETVAL_STR(u8str);
}
U_CFUNC PHP_METHOD(IntlRuleBasedBreakIterator, getRuleStatus)
{
BREAKITER_METHOD_INIT_VARS;
object = ZEND_THIS;
ZEND_PARSE_PARAMETERS_NONE();
BREAKITER_METHOD_FETCH_OBJECT;
RETURN_LONG(fetch_rbbi(bio)->getRuleStatus());
}
U_CFUNC PHP_METHOD(IntlRuleBasedBreakIterator, getRuleStatusVec)
{
BREAKITER_METHOD_INIT_VARS;
object = ZEND_THIS;
ZEND_PARSE_PARAMETERS_NONE();
BREAKITER_METHOD_FETCH_OBJECT;
int32_t num_rules = fetch_rbbi(bio)->getRuleStatusVec(NULL, 0,
BREAKITER_ERROR_CODE(bio));
ZEND_ASSERT(BREAKITER_ERROR_CODE(bio) == U_BUFFER_OVERFLOW_ERROR);
BREAKITER_ERROR_CODE(bio) = U_ZERO_ERROR;
std::unique_ptr<int32_t[]> rules = std::unique_ptr<int32_t[]>(new int32_t[num_rules]);
num_rules = fetch_rbbi(bio)->getRuleStatusVec(rules.get(), num_rules,
BREAKITER_ERROR_CODE(bio));
if (U_FAILURE(BREAKITER_ERROR_CODE(bio))) {
intl_errors_set(BREAKITER_ERROR_P(bio), BREAKITER_ERROR_CODE(bio),
"rbbi_get_rule_status_vec: failed obtaining the status values",
0);
RETURN_FALSE;
}
array_init_size(return_value, num_rules);
for (int32_t i = 0; i < num_rules; i++) {
add_next_index_long(return_value, rules[i]);
}
}
U_CFUNC PHP_METHOD(IntlRuleBasedBreakIterator, getBinaryRules)
{
BREAKITER_METHOD_INIT_VARS;
object = ZEND_THIS;
ZEND_PARSE_PARAMETERS_NONE();
BREAKITER_METHOD_FETCH_OBJECT;
uint32_t rules_len;
const uint8_t *rules = fetch_rbbi(bio)->getBinaryRules(rules_len);
if (rules_len > INT_MAX - 1) {
intl_errors_set(BREAKITER_ERROR_P(bio), BREAKITER_ERROR_CODE(bio),
"rbbi_get_binary_rules: the rules are too large",
0);
RETURN_FALSE;
}
zend_string *ret_rules = zend_string_alloc(rules_len, 0);
memcpy(ZSTR_VAL(ret_rules), rules, rules_len);
ZSTR_VAL(ret_rules)[rules_len] = '\0';
RETURN_STR(ret_rules);
}
|
