-/* Perl-Compatible RegEx {{{ */
-class Pcre {
- private:
- pcre *code_;
- pcre_extra *study_;
- int capture_;
- int *matches_;
- const char *data_;
-
- public:
- Pcre() :
- code_(NULL),
- study_(NULL)
- {
- }
-
- Pcre(const char *regex) :
- code_(NULL),
- study_(NULL)
- {
- this->operator =(regex);
- }
-
- void operator =(const char *regex) {
- _assert(code_ == NULL);
-
- const char *error;
- int offset;
- code_ = pcre_compile(regex, 0, &error, &offset, NULL);
-
- if (code_ == NULL) {
- lprintf("%d:%s\n", offset, error);
- _assert(false);
- }
-
- pcre_fullinfo(code_, study_, PCRE_INFO_CAPTURECOUNT, &capture_);
- matches_ = new int[(capture_ + 1) * 3];
- }
-
- ~Pcre() {
- pcre_free(code_);
- delete matches_;
- }
-
- NSString *operator [](size_t match) const {
- return [NSString stringWithUTF8Bytes:(data_ + matches_[match * 2]) length:(matches_[match * 2 + 1] - matches_[match * 2])];
- }
-
- _finline bool operator ()(NSString *data) {
- // XXX: length is for characters, not for bytes
- return operator ()([data UTF8String], [data length]);
- }
-
- _finline bool operator ()(const char *data) {
- return operator ()(data, strlen(data));
- }
-
- bool operator ()(const char *data, size_t size) {
- data_ = data;
- return pcre_exec(code_, study_, data, size, 0, 0, matches_, (capture_ + 1) * 3) >= 0;
- }
-
- NSString *operator ->*(NSString *format) const {
- id values[capture_];
- for (int i(0); i != capture_; ++i)
- values[i] = this->operator [](i + 1);
-
- return [[[NSString alloc] initWithFormat:format arguments:reinterpret_cast<va_list>(values)] autorelease];
- }
-};
-/* }}} */
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