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regex encoder

This commit is contained in:
Mike Dirolf 2009-03-05 13:16:34 -05:00
parent 56595af858
commit 6f845b2dbf
1 changed files with 38 additions and 1 deletions
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39
ext/cbson/cbson.c
View File

@ -22,6 +22,7 @@
#include "ruby.h"
#include "st.h"
#include "regex.h"
#include <assert.h>
#define INITIAL_BUFFER_SIZE 256
@ -35,6 +36,10 @@ typedef struct {
static char zero = 0;
static char one = 1;
static int cmp_char(const void* a, const void* b) {
return *(char*)a - *(char*)b;
}
static void write_doc(bson_buffer* buffer, VALUE hash);
static bson_buffer* buffer_new(void) {
@ -241,8 +246,40 @@ static int write_element(VALUE key, VALUE value, VALUE extra) {
break;
}
}
case T_REGEXP:
write_name_and_type(buffer, key, 0x0B);
length = RREGEXP(value)->len;
char* pattern = RREGEXP(value)->str;
buffer_write_bytes(buffer, pattern, length);
buffer_write_bytes(buffer, &zero, 1);
long flags = RREGEXP(value)->ptr->options;
if (flags & RE_OPTION_IGNORECASE) {
char ignorecase = 'i';
buffer_write_bytes(buffer, &ignorecase, 1);
}
if (flags & RE_OPTION_MULTILINE) {
char multiline = 'm';
buffer_write_bytes(buffer, &multiline, 1);
}
if (flags & RE_OPTION_EXTENDED) {
char extended = 'x';
buffer_write_bytes(buffer, &extended, 1);
}
VALUE has_extra = rb_funcall(value, rb_intern("respond_to?"), 1, rb_str_new2("extra_options_str"));
if (TYPE(has_extra) == T_TRUE) {
VALUE extra = rb_funcall(value, rb_intern("extra_options_str"), 0);
int old_position = buffer->position;
buffer_write_bytes(buffer, RSTRING(extra)->ptr, RSTRING(extra)->len);
qsort(buffer->buffer + old_position, RSTRING(extra)->len, sizeof(char), cmp_char);
}
buffer_write_bytes(buffer, &zero, 1);
break;
default:
rb_raise(rb_eTypeError, "no c encoder for this type yet");
rb_raise(rb_eTypeError, "no c encoder for this type yet (%d)", TYPE(value));
break;
}
return ST_CONTINUE;