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https://github.com/tuxbox-fork-migrations/recycled-ni-neutrino.git
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a10ee73e99
Origin commit data
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Branch: ni/coolstream
Commit: 1b4ad51d0a
Author: Gaucho316 <Gaucho316@hotmail.com>
Date: 2012-12-29 (Sat, 29 Dec 2012)
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No further description and justification available within origin commit message!
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This commit was generated by Migit
314 lines
12 KiB
C++
314 lines
12 KiB
C++
//=============================================================================
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// YHTTPD
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// Helper
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//=============================================================================
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// c
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#include <cstdio> // printf prototype.
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#include <cstdlib> // calloc and free prototypes.
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#include <cstring> // str* and memset prototypes.
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#include <cstdarg>
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#include <sstream>
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#include <iomanip>
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// yhttpd
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#include <yconfig.h>
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#include "ytypes_globals.h"
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#include "helper.h"
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#include "ylogging.h"
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//=============================================================================
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// Integers
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//=============================================================================
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//-------------------------------------------------------------------------
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// Check and set integer inside boundaries (min, max)
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//-------------------------------------------------------------------------
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int minmax(int value, int min, int max) {
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if (value < min)
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return min;
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if (value > max)
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return max;
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return value;
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}
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//=============================================================================
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// Date & Time
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//=============================================================================
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//-------------------------------------------------------------------------
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// Check and set Date/Time (tm*) inside boundaries
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//-------------------------------------------------------------------------
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void correctTime(struct tm *zt) {
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zt->tm_year = minmax(zt->tm_year, 0, 129);
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zt->tm_mon = minmax(zt->tm_mon, 0, 11);
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zt->tm_mday = minmax(zt->tm_mday, 1, 31); //-> eine etwas laxe pruefung, aber mktime biegt das wieder grade
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zt->tm_hour = minmax(zt->tm_hour, 0, 23);
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zt->tm_min = minmax(zt->tm_min, 0, 59);
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zt->tm_sec = minmax(zt->tm_sec, 0, 59);
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zt->tm_isdst = -1;
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}
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//=============================================================================
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// Strings
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//=============================================================================
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//-------------------------------------------------------------------------
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// Integer to Hexadecimal-String
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//-------------------------------------------------------------------------
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std::string itoh(unsigned int conv) {
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return string_printf("0x%06x", conv);
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}
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//-------------------------------------------------------------------------
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// Integer to String
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//-------------------------------------------------------------------------
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std::string itoa(unsigned int conv) {
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return string_printf("%u", conv);
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}
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//-------------------------------------------------------------------------
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// convert timer_t to "<hour>:<minutes>" String
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//-------------------------------------------------------------------------
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std::string timeString(time_t time) {
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char tmp[7] = { '\0' };
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struct tm *tm = localtime(&time);
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if (strftime(tmp, 6, "%H:%M", tm))
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return std::string(tmp);
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else
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return std::string("??:??");
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}
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//-------------------------------------------------------------------------
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// Printf and return formatet String. Buffer-save!
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// max length up to bufferlen -> then snip
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//-------------------------------------------------------------------------
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#define bufferlen 4*1024
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std::string string_printf(const char *fmt, ...) {
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char buffer[bufferlen];
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va_list arglist;
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va_start(arglist, fmt);
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vsnprintf(buffer, bufferlen, fmt, arglist);
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va_end(arglist);
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return std::string(buffer);
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}
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//-------------------------------------------------------------------------
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// ySplitString: spit string "str" in two strings "left" and "right" at
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// one of the chars in "delimiter" returns true if delimiter found
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//-------------------------------------------------------------------------
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bool ySplitString(std::string str, std::string delimiter, std::string& left,
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std::string& right) {
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std::string::size_type pos;
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if ((pos = str.find_first_of(delimiter)) != std::string::npos) {
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left = str.substr(0, pos);
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right = str.substr(pos + 1, str.length() - (pos + 1));
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} else {
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left = str; //default if not found
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right = "";
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}
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return (pos != std::string::npos);
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}
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//-------------------------------------------------------------------------
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// ySplitString: spit string "str" in two strings "left" and "right" at
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// one of the chars in "delimiter" returns true if delimiter found
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//-------------------------------------------------------------------------
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bool ySplitStringExact(std::string str, std::string delimiter,
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std::string& left, std::string& right) {
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std::string::size_type pos;
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if ((pos = str.find(delimiter)) != std::string::npos) {
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left = str.substr(0, pos);
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right = str.substr(pos + delimiter.length(), str.length() - (pos
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+ delimiter.length()));
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} else {
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left = str; //default if not found
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right = "";
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}
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return (pos != std::string::npos);
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}
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//-------------------------------------------------------------------------
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// ySplitStringRight: spit string "str" in two strings "left" and "right" at
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// one of the chars in "delimiter" returns true if delimiter found
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//-------------------------------------------------------------------------
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bool ySplitStringLast(std::string str, std::string delimiter,
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std::string& left, std::string& right) {
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std::string::size_type pos;
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if ((pos = str.find_last_of(delimiter)) != std::string::npos) {
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left = str.substr(0, pos);
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right = str.substr(pos + 1, str.length() - (pos + 1));
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} else {
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left = str; //default if not found
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right = "";
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}
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return (pos != std::string::npos);
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}
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//-------------------------------------------------------------------------
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// ySplitStringVector: spit string "str" and build vector of strings
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//-------------------------------------------------------------------------
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CStringArray ySplitStringVector(std::string str, std::string delimiter) {
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std::string left, right, rest;
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bool found;
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CStringArray split;
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rest = str;
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do {
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found = ySplitString(rest, delimiter, left, right);
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split.push_back(left);
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rest = right;
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} while (found);
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return split;
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}
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//-------------------------------------------------------------------------
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// trim whitespaces
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//-------------------------------------------------------------------------
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std::string trim(std::string const& source, char const* delims) {
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std::string result(source);
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std::string::size_type index = result.find_last_not_of(delims);
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if (index != std::string::npos)
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result.erase(++index);
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index = result.find_first_not_of(delims);
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if (index != std::string::npos)
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result.erase(0, index);
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else
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result.erase();
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return result;
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}
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//-------------------------------------------------------------------------
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// replace all occurrences find_what
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//-------------------------------------------------------------------------
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void replace(std::string &str, const std::string &find_what,
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const std::string &replace_with) {
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std::string::size_type pos = 0;
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while ((pos = str.find(find_what, pos)) != std::string::npos) {
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str.erase(pos, find_what.length());
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str.insert(pos, replace_with);
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pos += replace_with.length();
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}
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}
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//-------------------------------------------------------------------------
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// equal-function for case insensitive compare
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//-------------------------------------------------------------------------
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bool nocase_compare(char c1, char c2) {
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return toupper(c1) == toupper(c2);
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}
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//-----------------------------------------------------------------------------
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// Decode URLEncoded std::string
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//-----------------------------------------------------------------------------
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std::string decodeString(std::string encodedString) {
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const char *string = encodedString.c_str();
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unsigned int count = 0;
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char hex[3] = { '\0' };
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unsigned long iStr;
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std::string result = "";
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count = 0;
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while (count < encodedString.length()) /* use the null character as a loop terminator */
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{
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if (string[count] == '%' && count + 2 < encodedString.length()) {
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hex[0] = string[count + 1];
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hex[1] = string[count + 2];
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hex[2] = '\0';
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iStr = strtoul(hex, NULL, 16); /* convert to Hex char */
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result += (char) iStr;
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count += 3;
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} else if (string[count] == '+') {
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result += ' ';
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count++;
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} else {
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result += string[count];
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count++;
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}
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} /* end of while loop */
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return result;
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}
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//-----------------------------------------------------------------------------
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// HTMLEncode std::string
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//-----------------------------------------------------------------------------
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std::string encodeString(std::string decodedString) {
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unsigned int len = sizeof(char) * decodedString.length() * 5 + 1;
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std::string result(len, '\0');
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char *newString = (char *) result.c_str();
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char one_char;
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if (len == result.length()) // got memory needed
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{
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char *dstring = (char *) decodedString.c_str();
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while ((one_char = *dstring++)) /* use the null character as a loop terminator */
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{
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if (isalnum(one_char))
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*newString++ = one_char;
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else
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newString += sprintf(newString, "&#%d;",
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(unsigned char) one_char);
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}
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*newString = '\0'; /* when done copying the string,need to terminate w/ null char */
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result.resize((unsigned int) (newString - result.c_str()), '\0');
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return result;
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} else {
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return "";
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}
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}
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//-----------------------------------------------------------------------------
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// returns string in lower case
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//-----------------------------------------------------------------------------
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std::string string_tolower(std::string str) {
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for (unsigned int i = 0; i < str.length(); i++)
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str[i] = tolower(str[i]);
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return str;
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}
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//-----------------------------------------------------------------------------
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// write string to a file
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//-----------------------------------------------------------------------------
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bool write_to_file(std::string filename, std::string content) {
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FILE *fd = NULL;
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if ((fd = fopen(filename.c_str(), "w")) != NULL) // open file
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{
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fwrite(content.c_str(), content.length(), 1, fd);
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fflush(fd); // flush and close file
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fclose(fd);
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return true;
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} else
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return false;
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}
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//-----------------------------------------------------------------------------
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// JSON: create pair string "<_key>". "<_value>"
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// Handle wrong quotes
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//-----------------------------------------------------------------------------
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std::string json_out_quote_convert(std::string _str) {
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replace(_str, "\"", "\'");
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return _str;
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}
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//-----------------------------------------------------------------------------
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// JSON: create pair string "<_key>". "<_value>"
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// Handle wrong quotes
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//-----------------------------------------------------------------------------
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std::string json_out_pair(std::string _key, std::string _value) {
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replace(_key, "\"", "");
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replace(_value, "\"", "\'");
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return "\"" + _key + "\": " + "\"" + _value + "\"";
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}
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//-----------------------------------------------------------------------------
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// JSON: create success return string
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//-----------------------------------------------------------------------------
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std::string json_out_success(std::string _result) {
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return "{\"success\": \"true\", \"data\":{" + _result + "}}";
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}
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//-----------------------------------------------------------------------------
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// JSON: create success return string
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//-----------------------------------------------------------------------------
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std::string json_out_error(std::string _error) {
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return "{\"success\": \"false\", \"error\":{\"text\": \"" + _error + "\"}}";
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}
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//-----------------------------------------------------------------------------
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// JSON: convert string to JSON-String
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//-----------------------------------------------------------------------------
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std::string json_convert_string(std::string s) {
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std::stringstream ss;
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for (size_t i = 0; i < s.length(); ++i) {
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if (unsigned(s[i]) < '\x20' || s[i] == '\\' || s[i] == '"' || unsigned(s[i]) >= '\x80') {
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ss << "\\u" << std::setfill('0') << std::setw(4) << std::hex
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<< unsigned(s[i]);
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}
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else {
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ss << s[i];
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}
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}
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return ss.str();
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}
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