diff options
Diffstat (limited to 'utils/std_string_utils.cpp')
| -rw-r--r-- | utils/std_string_utils.cpp | 510 |
1 files changed, 510 insertions, 0 deletions
diff --git a/utils/std_string_utils.cpp b/utils/std_string_utils.cpp new file mode 100644 index 0000000000..71068013fb --- /dev/null +++ b/utils/std_string_utils.cpp @@ -0,0 +1,510 @@ +/*
+
+Copyright © 2009-11 Michal Zelinka, 2011-15 Robert Pösel
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 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 General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+#include "std_string_utils.h"
+
+std::string utils::url::encode(const std::string &s)
+{
+ return (char*)ptrA(mir_urlEncode(s.c_str()));
+}
+
+std::string utils::url::decode(std::string data)
+{
+ // TODO: Better and universal method?
+ utils::text::replace_all(&data, "%2F", "/");
+ utils::text::replace_all(&data, "%3F", "?");
+ utils::text::replace_all(&data, "%3D", "=");
+ utils::text::replace_all(&data, "%26", "&");
+ utils::text::replace_all(&data, "%3A", ":");
+
+ return data;
+}
+
+std::string utils::time::unix_timestamp()
+{
+ time_t in = ::time(NULL);
+ return utils::conversion::to_string((void*)&in, UTILS_CONV_TIME_T);
+}
+
+std::string utils::time::mili_timestamp()
+{
+ SYSTEMTIME st;
+ std::string timestamp = utils::time::unix_timestamp();
+ GetSystemTime(&st);
+ timestamp.append(utils::conversion::to_string((void*)&st.wMilliseconds, UTILS_CONV_UNSIGNED_NUMBER));
+ return timestamp.substr(0, 13);
+}
+
+time_t utils::time::from_string(const std::string &data)
+{
+ long long timestamp = _strtoi64(data.c_str(), NULL, 10);
+
+ // If it is milli timestamp
+ if (timestamp > 100000000000)
+ timestamp /= 1000;
+
+ // If conversion fails, use local time?
+ //if (!timestamp)
+ // timestamp = ::time(NULL);
+
+ return (time_t)timestamp;
+}
+
+std::string utils::conversion::to_string(void* data, WORD type)
+{
+ std::stringstream out;
+
+ switch (type)
+ {
+ case UTILS_CONV_BOOLEAN:
+ out << (data ? "true" : "false");
+ break;
+
+ case UTILS_CONV_TIME_T:
+ out << (*(time_t*)data);
+ break;
+
+ case UTILS_CONV_SIGNED_NUMBER:
+ out << (*(signed int*)data);
+ break;
+
+ case UTILS_CONV_UNSIGNED_NUMBER:
+ out << (*(unsigned int*)data);
+ break;
+ }
+
+ return out.str();
+}
+
+void utils::text::replace_first(std::string* data, const std::string &from, const std::string &to)
+{
+ std::string::size_type position = data->find(from);
+ if (position != std::string::npos)
+ {
+ data->replace(position, from.size(), to);
+ }
+}
+
+void utils::text::replace_all(std::string* data, const std::string &from, const std::string &to)
+{
+ std::string::size_type position = 0;
+
+ while ((position = data->find(from, position)) != std::string::npos)
+ {
+ data->replace(position, from.size(), to);
+ position += to.size();
+ }
+}
+
+void utils::text::treplace_all(std::tstring* data, const std::tstring &from, const std::tstring &to)
+{
+ std::tstring::size_type position = 0;
+
+ while ((position = data->find(from, position)) != std::tstring::npos)
+ {
+ data->replace(position, from.size(), to);
+ position++;
+ }
+}
+
+unsigned int utils::text::count_all(std::string* data, const std::string &term)
+{
+ unsigned int count = 0;
+ std::string::size_type position = 0;
+
+ while ((position = data->find(term, position)) != std::string::npos)
+ {
+ count++;
+ position++;
+ }
+
+ return count;
+}
+
+void utils::text::append_ordinal(unsigned long value, std::string* data)
+{
+ if (value <= 127)
+ { // U+0000 .. U+007F
+ *data += (char)value;
+ }
+ else if (value >= 128 && value <= 2047)
+ { // U+0080 .. U+07FF
+ *data += (char)(192 + (value / 64));
+ *data += (char)(128 + (value % 64));
+ }
+ else if (value >= 2048 && value <= 65535)
+ { // U+0800 .. U+FFFF
+ *data += (char)(224 + (value / 4096));
+ *data += (char)(128 + ((value / 64) % 64));
+ *data += (char)(128 + (value % 64));
+ }
+ else
+ {
+ *data += (char)((value >> 24) & 0xFF);
+ *data += (char)((value >> 16) & 0xFF);
+ *data += (char)((value >> 8) & 0xFF);
+ *data += (char)((value)& 0xFF);
+ }
+}
+
+std::string utils::text::html_entities_decode(std::string data)
+{
+ utils::text::replace_all(&data, "&", "&");
+ utils::text::replace_all(&data, """, "\"");
+ utils::text::replace_all(&data, "<", "<");
+ utils::text::replace_all(&data, ">", ">");
+
+ utils::text::replace_all(&data, "♥", "\xE2\x99\xA5"); // direct byte replacement
+ // utils::text::replace_all(&data, "♥", "\\u2665"); // indirect slashu replacement
+
+ utils::text::replace_all(&data, "\\r", "\r");
+ utils::text::replace_all(&data, "\\n", "\n");
+ utils::text::replace_all(&data, "\\\"", "\"");
+ utils::text::replace_all(&data, "\\/", "/");
+ utils::text::replace_all(&data, "\\\\", "\\");
+
+ // TODO: Add more to comply general usage
+ // http://www.utexas.edu/learn/html/spchar.html
+ // http://www.webmonkey.com/reference/Special_Characters
+ // http://www.degraeve.com/reference/specialcharacters.php
+ // http://www.chami.com/tips/internet/050798i.html
+ // http://www.w3schools.com/tags/ref_entities.asp
+ // http://www.natural-innovations.com/wa/doc-charset.html
+ // http://webdesign.about.com/library/bl_htmlcodes.htm
+
+ std::string new_string;
+ for (std::string::size_type i = 0; i < data.length(); i++)
+ {
+ if (data.at(i) == '&' && (i + 1) < data.length() && data.at(i + 1) == '#')
+ {
+ std::string::size_type comma = data.find(";", i);
+ if (comma != std::string::npos) {
+ bool hexa = false;
+ if ((i + 2) < data.length() && data.at(i + 2) == 'x') {
+ hexa = true;
+ i += 3;
+ }
+ else {
+ i += 2;
+ }
+
+ std::string num = data.substr(i, comma - i);
+ if (!num.empty()) {
+ unsigned long udn = strtoul(num.c_str(), NULL, hexa ? 16 : 10);
+ utils::text::append_ordinal(udn, &new_string);
+ }
+
+ i = comma;
+ continue;
+ }
+ }
+
+ new_string += data.at(i);
+ }
+
+ return new_string;
+}
+
+std::string utils::text::edit_html(std::string data)
+{
+ std::string::size_type end = 0;
+ std::string::size_type start = 0;
+ std::string new_string;
+
+ while (end != std::string::npos)
+ {
+ end = data.find("<span class=\\\"text_exposed_hide", start);
+ if (end != std::string::npos)
+ {
+ new_string += data.substr(start, end - start);
+ start = data.find("<\\/span", end);
+ }
+ else {
+ new_string += data.substr(start, data.length() - start);
+ }
+ }
+
+ start = end = 0;
+ data = new_string;
+ new_string.clear();
+
+ while (end != std::string::npos)
+ {
+ end = data.find("<span class=\\\"uiTooltipText", start);
+ if (end != std::string::npos)
+ {
+ new_string += data.substr(start, end - start);
+ start = data.find("<\\/span", end);
+ }
+ else {
+ new_string += data.substr(start, data.length() - start);
+ }
+ }
+
+ // Remove "Translate" link
+ start = end = 0;
+ data = new_string;
+ new_string.clear();
+ while (end != std::string::npos)
+ {
+ end = data.find("role=\\\"button\\\">", start);
+ if (end != std::string::npos)
+ {
+ new_string += data.substr(start, end - start);
+ start = data.find("<\\/a", end);
+ }
+ else {
+ new_string += data.substr(start, data.length() - start);
+ }
+ }
+
+ // Append newline after attachement title
+ start = new_string.find("class=\\\"uiAttachmentTitle", 0);
+ if (start != std::string::npos)
+ {
+ data = new_string.substr(0, start);
+ data = utils::text::trim(data);
+
+ start = new_string.find(">", start);
+ if (start != std::string::npos)
+ new_string.insert(start + 1, "\n\n");
+
+ start = new_string.find("<\\/div>", start);
+ if (start != std::string::npos)
+ new_string.insert(start, "\n");
+ }
+
+ // Append newline between attachement link and description
+ start = new_string.find("uiAttachmentDesc", 0);
+ if (start != std::string::npos)
+ {
+ start = new_string.find(">", start);
+ if (start != std::string::npos)
+ new_string.insert(start + 1, "\n");
+
+ start = new_string.find("<\\/div>", start);
+ if (start != std::string::npos)
+ new_string.insert(start, "\n");
+ }
+
+ utils::text::replace_all(&new_string, "<br \\/>", "\n");
+ utils::text::replace_all(&new_string, "\n\n\n", "\n\n");
+ //utils::text::replace_all(&new_string, "\\t", "");
+ //utils::text::replace_all(&new_string, "\\n", "");
+ return new_string;
+}
+
+
+std::string utils::text::remove_html(const std::string &data)
+{
+ std::string new_string;
+
+ for (std::string::size_type i = 0; i < data.length(); i++)
+ {
+ if (data.at(i) == '<' && (i + 1) < data.length() && data.at(i + 1) != ' ')
+ {
+ i = data.find(">", i);
+ if (i == std::string::npos)
+ break;
+
+ continue;
+ }
+
+ new_string += data.at(i);
+ }
+
+ return new_string;
+}
+
+std::string utils::text::slashu_to_utf8(const std::string &data)
+{
+ std::string new_string;
+
+ for (std::string::size_type i = 0; i < data.length(); i++)
+ {
+ if (data.at(i) == '\\' && (i + 1) < data.length() && data.at(i + 1) == 'u')
+ {
+ unsigned long udn = strtoul(data.substr(i + 2, 4).c_str(), NULL, 16);
+ append_ordinal(udn, &new_string);
+ i += 5;
+ continue;
+ }
+
+ new_string += data.at(i);
+ }
+
+ return new_string;
+}
+
+std::string utils::text::trim(const std::string &data, bool rtrim)
+{
+ std::string spaces = " \t\r\n";
+ std::string::size_type begin = rtrim ? 0 : data.find_first_not_of(spaces);
+ std::string::size_type end = data.find_last_not_of(spaces);
+
+ return (end != std::string::npos) ? data.substr(begin, end + 1 - begin) : "";
+}
+
+void utils::text::explode(std::string str, const std::string &separator, std::vector<std::string>* results)
+{
+ std::string::size_type pos;
+ pos = str.find_first_of(separator);
+ while (pos != std::string::npos) {
+ if (pos > 0) {
+ results->push_back(str.substr(0, pos));
+ }
+ str = str.substr(pos + 1);
+ pos = str.find_first_of(separator);
+ }
+ if (str.length() > 0) {
+ results->push_back(str);
+ }
+}
+
+std::string utils::text::source_get_value(std::string* data, unsigned int argument_count, ...)
+{
+ va_list arg;
+ std::string ret;
+ std::string::size_type start = 0, end = 0;
+
+ va_start(arg, argument_count);
+
+ for (unsigned int i = argument_count; i > 0; i--)
+ {
+ if (i == 1)
+ {
+ end = data->find(va_arg(arg, char*), start);
+ if (start == std::string::npos || end == std::string::npos)
+ break;
+ ret = data->substr(start, end - start);
+ }
+ else {
+ std::string term = va_arg(arg, char*);
+ start = data->find(term, start);
+ if (start == std::string::npos)
+ break;
+ start += term.length();
+ }
+ }
+
+ va_end(arg);
+ return ret;
+}
+
+std::string utils::text::source_get_value2(std::string* data, const char *term, const char *endings, bool wholeString)
+{
+ std::string::size_type start = 0, end = 0;
+ std::string ret;
+
+ start = data->find(term);
+ if (start != std::string::npos) {
+ start += mir_strlen(term);
+
+ end = data->find_first_of(endings, start);
+ if (end != std::string::npos) {
+ ret = data->substr(start, end - start);
+ }
+ else if (wholeString) {
+ ret = data->substr(start);
+ }
+ }
+
+ return ret;
+}
+
+std::string utils::text::source_get_form_data(std::string* data)
+{
+ std::string values;
+
+ std::string::size_type start = 0;
+ start = data->find("<input", start);
+ while (start != std::string::npos) {
+ start++;
+ std::string attr, value;
+
+ std::string::size_type pos = data->find("name=\"", start);
+ if (pos != std::string::npos) {
+ pos += 6;
+ std::string::size_type end = data->find("\"", pos);
+ if (end != std::string::npos)
+ attr = data->substr(pos, end - pos);
+
+
+ end = data->find(">", pos);
+ pos = data->find("value=\"", pos);
+ if (pos != std::string::npos && end != std::string::npos && pos < end) {
+ pos += 7;
+ end = data->find("\"", pos);
+ if (end != std::string::npos)
+ value = data->substr(pos, end - pos);
+ }
+ }
+
+ if (!attr.empty()) {
+ if (!values.empty())
+ values += "&";
+ values += attr + "=" + value;
+ }
+ start = data->find("<input", start);
+ }
+
+ return values;
+}
+
+std::tstring utils::text::prepare_name(const std::tstring &name, bool withSurnameLetter)
+{
+ std::tstring::size_type pos = name.find(_T(" "));
+ if (pos == std::tstring::npos)
+ return name;
+
+ std::tstring result = name.substr(0, pos);
+
+ if (withSurnameLetter) {
+ pos = name.rfind(_T(" ")) + 1; // we're sure there is some space in name so we can do +1 safely
+
+ if (pos < name.length())
+ result += _T(" ") + name.substr(pos, 1) + std::tstring(_T("."));
+ }
+
+ return result;
+}
+
+std::string utils::text::rand_string(int len, const char *chars, unsigned int *number)
+{
+ std::stringstream out;
+
+ int strLen = (int)mir_strlen(chars);
+ for (int i = 0; i < len; ++i) {
+ out << chars[utils::number::random(0, strLen, number)];
+ }
+
+ return out.str();
+}
+
+int utils::number::random(int min, int max, unsigned int *number)
+{
+ if (number != NULL) {
+ errno_t err = rand_s(number);
+ if (!err)
+ return (*number % (max - min)) + min;
+ }
+
+ // If called didn't specified "number" or there was error, fallback to rand()
+ return (rand() % (max - min)) + min;
+}
|