treebird/src/emoji.c
nekobit 537193779f Switch to size_t for everything
FossilOrigin-Name: 891b005fccf60f0da131a4bff6408bb70953b2ad9061584d3e46158f74aae206
2022-06-02 03:28:54 +00:00

127 lines
4.2 KiB
C

/*
* Treebird - Lightweight frontend for Pleroma
* Copyright (C) 2022 Nekobit
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include <stdlib.h>
#include <string.h>
#include "string.h"
#include "emoji.h"
#include "easprintf.h"
#include "string_helpers.h"
// Pages
#include "../static/emoji.ctmpl"
#include "../static/emoji_picker.ctmpl"
char* emojify(char* content, struct mstdnt_emoji* emos, size_t emos_len)
{
if (!content) return NULL;
size_t sc_len;
char* oldres = NULL;
char* res = content;
char* emoji_url_str;
char* coloned;
for (size_t i = 0; i < emos_len; ++i)
{
oldres = res;
// Add colons around string
sc_len = strlen(emos[i].shortcode);
// 3 = \0 and two :
coloned = malloc(sc_len+3);
coloned[0] = ':';
strncpy(coloned + 1, emos[i].shortcode, sc_len);
coloned[sc_len+1] = ':';
coloned[sc_len+2] = '\0';
easprintf(&emoji_url_str, "<img class=\"emoji\" src=\"%s\">", emos[i].url);
res = strrepl(res, coloned, emoji_url_str, STRREPL_ALL);
if (oldres != content && res != oldres) free(oldres);
// Cleanup
free(emoji_url_str);
free(coloned);
}
return res;
}
struct construct_emoji_picker_args
{
char* status_id;
unsigned index;
};
char* construct_emoji(struct emoji_info* emoji, char* status_id, size_t* size)
{
if (!emoji)
return NULL;
struct emoji_template data = {
.status_id = status_id,
.emoji = emoji->codes
};
return tmpl_gen_emoji(&data, size);
}
static char* construct_emoji_voidwrap(void* passed, size_t index, size_t* res)
{
struct construct_emoji_picker_args* args = passed;
size_t calc_index = index + args->index;
return calc_index < 0 || calc_index >= emojos_size ? NULL :
construct_emoji(emojos + calc_index, args->status_id, res);
}
char* construct_emoji_picker(char* status_id, unsigned index, size_t* size)
{
struct construct_emoji_picker_args args = {
.status_id = status_id,
.index = index
};
char* emoji_picker_html;
char* emojis;
emojis = construct_func_strings(construct_emoji_voidwrap, &args, EMOJI_FACTOR_NUM, NULL);
struct emoji_picker_template data = {
.cat_smileys = ACTIVE_CONDITION(index >= 0 && index < EMOJO_CAT_ANIMALS),
.animals = EMOJO_CAT_ANIMALS,
.cat_animals = ACTIVE_CONDITION(index >= EMOJO_CAT_ANIMALS && index < EMOJO_CAT_FOOD),
.food = EMOJO_CAT_FOOD,
.cat_food = ACTIVE_CONDITION(index >= EMOJO_CAT_FOOD && index < EMOJO_CAT_TRAVEL),
.travel = EMOJO_CAT_TRAVEL,
.cat_travel = ACTIVE_CONDITION(index >= EMOJO_CAT_TRAVEL && index < EMOJO_CAT_ACTIVITIES),
.activities = EMOJO_CAT_ACTIVITIES,
.cat_activities = ACTIVE_CONDITION(index >= EMOJO_CAT_ACTIVITIES && index < EMOJO_CAT_OBJECTS),
.objects = EMOJO_CAT_OBJECTS,
.cat_objects = ACTIVE_CONDITION(index >= EMOJO_CAT_OBJECTS && index < EMOJO_CAT_SYMBOLS),
.symbols = EMOJO_CAT_SYMBOLS,
.cat_symbols = ACTIVE_CONDITION(index >= EMOJO_CAT_SYMBOLS && index < EMOJO_CAT_FLAGS),
.flags = EMOJO_CAT_FLAGS,
.cat_flags = ACTIVE_CONDITION(index >= EMOJO_CAT_FLAGS && index < emojos_size),
.emojis = emojis,
// Index movements
.status_id = status_id,
.index_previous = index > 0 ? index - EMOJI_FACTOR_NUM : 0,
.previous_enabled = 0 > index - EMOJI_FACTOR_NUM ? "disabled" : "",
.index_next = index + EMOJI_FACTOR_NUM
};
emoji_picker_html = tmpl_gen_emoji_picker(&data, size);
free(emojis);
return emoji_picker_html;
}