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Diffstat (limited to 'common/src/email-html-converter.c')
| -rwxr-xr-x | common/src/email-html-converter.c | 215 |
1 files changed, 215 insertions, 0 deletions
diff --git a/common/src/email-html-converter.c b/common/src/email-html-converter.c new file mode 100755 index 0000000..2d79e20 --- /dev/null +++ b/common/src/email-html-converter.c @@ -0,0 +1,215 @@ +/* + * Copyright 2012 Samsung Electronics Co., Ltd + * + * Licensed under the Flora License, Version 1.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.tizenopensource.org/license + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include <stdio.h> +#include <string.h> +#include <sys/types.h> + +#include <glib.h> +#include <glib/gprintf.h> + +#include "email-common-types.h" +#include "email-debug.h" +#include "email-utils.h" +#include "email-html-converter.h" + +#define _USE_HTML_DUMP_ 0 + +static const gchar *_get_html_tag(const gchar char_val) +{ + const gchar *tag = NULL; + + switch (char_val) { + case '\n': + tag = "<br>"; + break; + case '\r': + tag = ""; /* skip. */ + break; + case '<': + tag = "<"; + break; + case '>': + tag = ">"; + break; + default: + break; + } + return tag; +} + +/* g_free(). */ +static gchar *_get_parse_plain_text(const gchar *text, gint size) +{ + RETURN_VAL_IF_FAIL(STR_VALID(text), NULL); + RETURN_VAL_IF_FAIL(size > 0, NULL); + + gchar *html = NULL; + gchar *buff = NULL; + gchar *temp = NULL; + guint i = 0; + guint old_offset = 0, offset = 0; + + for (i = 0; i < size; ++i) { + + /* Get html tag. */ + const gchar *tag = _get_html_tag(text[i]); + + /* If need, convert text to html format. */ + if (tag) { + + temp = html; + + if (i > old_offset) { + offset = i - old_offset; + buff = g_strndup(&text[old_offset], offset); + if (temp) { + html = g_strconcat(temp, buff, tag, NULL); + } else { + html = g_strconcat(buff, tag, NULL); + } + if (buff) { + g_free(buff); + buff = NULL; + } + } else { + if (temp) { + html = g_strconcat(temp, tag, NULL); + } else { + html = g_strconcat(tag, NULL); + } + } + + if (temp) { + g_free(temp); + temp = NULL; + } + + old_offset = i + 1; + } + } + + /* If not terminated. */ + if (old_offset < size) { + if (html) { + temp = html; + buff = g_strndup(&text[old_offset], size - old_offset); + html = g_strconcat(temp, buff, NULL); + if (buff) { + g_free(buff); + } + g_free(temp); + } + } + + return html ? html : g_strndup(text, size); +} + +static void _dump_buff(const gchar *buff) +{ + RETURN_IF_FAIL(STR_VALID(buff)); + +#if _USE_HTML_DUMP_ == 1 + tzset(); /* MUST BE. */ + time_t now = time(NULL); + struct tm *t = localtime(&now); + + gchar buff_path[MAX_STR_LEN] = "\0"; + + g_sprintf(buff_path, "%s/%04d.%02d.%02d[%02dH.%02dM].html", DIR_SRV_PREFIX, t->tm_year + 1900, t->tm_mon, t->tm_mday, t->tm_hour, t->tm_min); + + debug_log("path [%s]", buff_path); + + email_save_file(buff_path, buff, STR_LEN((gchar *)buff)); +#endif /* _USE_HTML_DUMP_ */ +} + +/* Exported API. + */ +gchar *email_html_converter(const gchar *plain_text, const gchar *charset) +{ + /*debug_time();*/ + char meta_charset[MAX_STR_LEN] = { 0, }; + g_snprintf(meta_charset, sizeof(meta_charset), "<html><head><meta name=\"viewport\" content=\"width=device-width, " + "initial-scale=0.8, maximum-scale=2.0, minimum-scale=0.5, user-scalable=yes, target-densitydpi=medium-dpi\"/>" + "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=%s\">", charset); + debug_log("meta charset:%s", meta_charset); + + /*const char *text_css = "<STYLE type=\"text/css\"> \ +body {background-color: #1a1a1a; \ +color: #ffffff; \ +font-size: 32px; \ +margin-left: 18px; \ +margin-right: 18px; \ +margin-top: 8px; \ +margin-bottom: 8px;} \ +p {font-size: 32px;} \ +table {font-size: 32px;} \ +a:link {color: white} \ +a:visited {color: red} \ +a:active {color: red; background: #1a1a1a} \ +</STYLE></head><body>";*/ + + const char *text_css = "<STYLE type=\"text/css\"> \ +body {font-size: 16px; \ +margin-left: 18px; \ +margin-right: 18px; \ +margin-top: 8px; \ +margin-bottom: 8px;} \ +p {font-size: 16px;} \ +table {font-size: 16px;} \ +</STYLE></head><body>"; + + const gchar *html_etag = "</body></html>"; + gchar *html_stag = NULL; + gchar *html = NULL; + + html_stag = g_strconcat(meta_charset, text_css, NULL); + + if (STR_INVALID(plain_text)) { + debug_log("empty file detected"); + html = g_strconcat(html_stag, html_etag, NULL); + g_free(html_stag); + return html; + } + + /* + debug_log("plain-text [%s]", plain_text); + */ + + gchar *text = NULL; + gchar *buff = NULL; + + if (STR_INVALID(html)) { + debug_log("not found cut-link - convert plain/text to html"); + text = _get_parse_plain_text(plain_text, STR_LEN((gchar *)plain_text)); + buff = g_strconcat(html_stag, text, NULL); + if (text) + g_free(text); + html = g_strconcat(buff, html_etag, NULL); + g_free(buff); + } + /*debug_time();*/ + + _dump_buff(html); + + if (html_stag) + g_free(html_stag); + + return html; +} + +/* EOF */ |