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/* -*- c-basic-offset:2; tab-width:2; indent-tabs-mode:nil -*- */
#include "ui_copymode.h"
#include <pobl/bl_mem.h> /* alloca, calloc */
#include <pobl/bl_str.h> /* strdup */
#include <vt_char_encoding.h>
#include <vt_str_parser.h>
#include <vt_str.h>
/* --- static functions --- */
static void add_char_to_pattern(vt_char_t *ch, u_int code,
ef_charset_t cs, ef_property_t prop) {
vt_char_init(ch);
vt_char_set(ch, code, cs, ((prop & EF_FULLWIDTH) | IS_FULLWIDTH_CS(cs)) ? 1 : 0,
(prop & EF_AWIDTH) ? 1 : 0, (prop & EF_COMBINING) ? 1 : 0,
VT_BG_COLOR, VT_FG_COLOR, 0, 0, 0, 0, 0);
/* XXX Use vt_char_combine() */
}
/* --- global functions --- */
ui_copymode_t *ui_copymode_new(int char_index, int row) {
ui_copymode_t *copymode;
if ((copymode = calloc(1, sizeof(ui_copymode_t))) == NULL) {
return NULL;
}
copymode->cursor_char_index = char_index;
copymode->cursor_row = row;
return copymode;
}
void ui_copymode_destroy(ui_copymode_t *copymode) {
vt_str_final(copymode->pattern, copymode->pattern_len);
free(copymode);
}
void ui_copymode_pattern_start_edit(ui_copymode_t *copymode, int backward) {
copymode->pattern_editing = backward ? 2 : 1;
if (copymode->pattern_len == 0) {
copymode->pattern_len = 1;
}
add_char_to_pattern(copymode->pattern, backward ? '?' : '/', US_ASCII, 0);
}
void ui_copymode_pattern_cancel_edit(ui_copymode_t *copymode) {
vt_str_final(copymode->pattern, copymode->pattern_len);
copymode->pattern_len = 0;
copymode->pattern_editing = 0;
}
void ui_copymode_pattern_add_str(ui_copymode_t *copymode, const u_char *str, size_t len,
ef_parser_t *parser) {
if (parser) {
ef_char_t ch;
(*parser->init)(parser);
(*parser->set_str)(parser, str, len);
while ((*parser->next_char)(parser, &ch)) {
if (copymode->pattern_len < MAX_COPYMODE_PATTERN_LEN) {
add_char_to_pattern(©mode->pattern[copymode->pattern_len++],
ef_char_to_int(&ch), ch.cs, ch.property);
}
}
} else {
size_t count;
for (count = 0; count < len; count++) {
if (copymode->pattern_len < MAX_COPYMODE_PATTERN_LEN) {
add_char_to_pattern(©mode->pattern[copymode->pattern_len++],
str[count], US_ASCII, 0);
}
}
}
}
int ui_copymode_pattern_delete(ui_copymode_t *copymode) {
vt_char_final(©mode->pattern[--copymode->pattern_len]);
if (copymode->pattern_len == 0) {
copymode->pattern_editing = 0;
return 0;
}
return 1;
}
u_char *ui_copymode_get_utf8_pattern(ui_copymode_t *copymode) {
if (copymode->pattern_len > 1) {
size_t len = (copymode->pattern_len - 1) * UTF_MAX_SIZE;
u_char *buf;
if ((buf = alloca(len + 1))) {
ef_parser_t *parser = vt_str_parser_new();
ef_conv_t *conv = vt_char_encoding_conv_new(VT_UTF8);
(*parser->init)(parser);
vt_str_parser_set_str(parser, copymode->pattern + 1, copymode->pattern_len - 1);
(*conv->init)(conv);
len = (*conv->convert)(conv, buf, len, parser);
buf[len] = '\0';
(*parser->destroy)(parser);
(*conv->destroy)(conv);
return strdup(buf);
}
}
return NULL;
}
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