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Copy pathUtils.cpp
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308 lines (242 loc) · 6.62 KB
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#include "Utils.h"
#include <cstring>
namespace Utils
{
void trim(std::string &str)
{
size_t last = str.find_last_not_of(" \t\n\v\f\r");
if (std::string::npos == last)
{
return str.clear();
}
str.assign(str.cbegin() + str.find_first_not_of(" \t\n\v\f\r"), str.cbegin() + last + 1);
}
char *stlStringToPChar(const std::string &str)
{
size_t length = str.length();
char *s = nullptr;
if (length)
{
s = new char[length + 1];
#ifdef WIN32
::strcpy_s(s, length + 1, str.c_str() );
#elif POSIX
::strcpy(s, str.c_str() );
s[length] = '\0';
#else
#error "Undefine platform"
#endif
}
return s;
}
void stlMapToRawPairs(Utils::raw_pair *raw[], const std::map<std::string, std::string> &map)
{
if (raw && map.size() )
{
raw_pair *arr = new raw_pair[map.size()];
*raw = arr;
size_t i = 0;
for (auto it = map.cbegin(); map.cend() != it; ++it, ++i)
{
arr[i].key = stlStringToPChar(it->first);
arr[i].value = stlStringToPChar(it->second);
}
}
}
void stlUnorderedMapToRawPairs(Utils::raw_pair *raw[], const std::unordered_map<std::string, std::string> &map)
{
if (raw && map.size() )
{
raw_pair *arr = new raw_pair[map.size()];
*raw = arr;
size_t i = 0;
for (auto it = map.cbegin(); map.cend() != it; ++it, ++i)
{
arr[i].key = stlStringToPChar(it->first);
arr[i].value = stlStringToPChar(it->second);
}
}
}
void stlUnorderedMultimapToRawPairs(Utils::raw_pair *raw[], const std::unordered_multimap<std::string, std::string> &map)
{
if (raw && map.size() )
{
raw_pair *arr = new raw_pair[map.size()];
*raw = arr;
size_t i = 0;
for (auto it = map.cbegin(); map.cend() != it; ++it, ++i)
{
arr[i].key = stlStringToPChar(it->first);
arr[i].value = stlStringToPChar(it->second);
}
}
}
void filesIncomingToRawFilesInfo(Utils::raw_fileinfo *raw[], const std::unordered_multimap<std::string, HttpServer::FileIncoming> &map)
{
if (raw && map.size() )
{
raw_fileinfo *arr = new raw_fileinfo[map.size()];
*raw = arr;
size_t i = 0;
for (auto it = map.cbegin(); map.cend() != it; ++it, ++i)
{
arr[i].key = stlStringToPChar(it->first);
const HttpServer::FileIncoming &file = it->second;
arr[i].file_name = stlStringToPChar(file.getName() );
arr[i].file_type = stlStringToPChar(file.getType() );
arr[i].file_size = file.getSize();
}
}
}
void rawPairsToStlMap(std::map<std::string, std::string> &map, const Utils::raw_pair raw[], const size_t count)
{
for (size_t i = 0; i < count; ++i)
{
map.emplace(raw[i].key ? raw[i].key : "", raw[i].value);
}
}
void rawPairsToStlUnorderedMap(std::unordered_map<std::string, std::string> &map, const Utils::raw_pair raw[], const size_t count)
{
for (size_t i = 0; i < count; ++i)
{
map.emplace(raw[i].key, raw[i].value);
}
}
void rawPairsToStlUnorderedMultimap(std::unordered_multimap<std::string, std::string> &map, const Utils::raw_pair raw[], const size_t count)
{
for (size_t i = 0; i < count; ++i)
{
map.emplace(raw[i].key, raw[i].value);
}
}
void rawFilesInfoToFilesIncoming(std::unordered_multimap<std::string, HttpServer::FileIncoming> &map, const Utils::raw_fileinfo raw[], const size_t count)
{
for (size_t i = 0; i < count; ++i)
{
map.emplace(raw[i].key, HttpServer::FileIncoming(raw[i].file_name, raw[i].file_type, raw[i].file_size) );
}
}
void destroyRawPairs(Utils::raw_pair raw[], const size_t count)
{
if (raw)
{
for (size_t i = 0; i < count; ++i)
{
raw_pair &cur = raw[i];
delete[] cur.key;
delete[] cur.value;
}
delete[] raw;
}
}
void destroyRawFilesInfo(Utils::raw_fileinfo raw[], const size_t count)
{
if (raw)
{
for (size_t i = 0; i < count; ++i)
{
raw_fileinfo &cur = raw[i];
delete[] cur.key;
delete[] cur.file_name;
delete[] cur.file_type;
}
delete[] raw;
}
}
time_t stringTimeToTimestamp(const std::string &strTime)
{
/* static const std::unordered_map<std::string, int> map_days {
{"Sun", 0}, {"Mon", 1}, {"Tue", 2}, {"Wed", 3}, {"Thu", 4}, {"Fri", 5}, {"Sat", 6}
};*/
static const std::unordered_map<std::string, int> map_months {
{"Jan", 0}, {"Feb", 1}, {"Mar", 2}, {"Apr", 3}, {"May", 4}, {"Jun", 5}, {"Jul", 6}, {"Aug", 7}, {"Sep", 8}, {"Oct", 9}, {"Nov", 10}, {"Dec", 11}
};
const size_t str_mon_length = 32;
char *s_mon = new char[str_mon_length];
::memset(s_mon, 0, str_mon_length);
struct ::tm tc = {0};
// Parse RFC 822
#ifdef WIN32
if (std::numeric_limits<int>::max() != ::sscanf_s(strTime.c_str(), "%*s %d %3s %d %d:%d:%d", &tc.tm_mday, s_mon, str_mon_length, &tc.tm_year, &tc.tm_hour, &tc.tm_min, &tc.tm_sec) )
#else
if (std::numeric_limits<int>::max() != ::sscanf(strTime.c_str(), "%*s %d %3s %d %d:%d:%d", &tc.tm_mday, s_mon, &tc.tm_year, &tc.tm_hour, &tc.tm_min, &tc.tm_sec) )
#endif
{
tc.tm_year -= 1900;
auto it_mon = map_months.find(s_mon);
if (map_months.end() != it_mon)
{
tc.tm_mon = it_mon->second;
}
}
delete[] s_mon;
return ::mktime(&tc);
}
std::string getDatetimeStringValue(const ::time_t tTime, const bool isGmtTime)
{
char buf[64];
::time_t cur_time = tTime;
if (std::numeric_limits<::time_t>::max() == tTime)
{
::time(&cur_time);
}
#ifdef WIN32
struct ::tm stm = {0};
if (isGmtTime)
{
::localtime_s(&stm, &cur_time);
}
else
{
::gmtime_s(&stm, &cur_time);
}
// RFC 822
::strftime(buf, 64, "%a, %d %b %Y %H:%M:%S GMT", &stm);
#else
struct ::tm *ptm = isGmtTime ? localtime(&cur_time) : gmtime(&cur_time);
// RFC 822
::strftime(buf, 64, "%a, %d %b %G %H:%M:%S GMT", ptm);
#endif
return std::string(buf);
}
size_t getNumberLength(const size_t number)
{
size_t length = 0;
size_t n = number;
do
{
++length;
n /= 10;
}
while (n);
return length;
}
bool parseCookies(const std::string &cookieHeader, std::unordered_multimap<std::string, std::string> &cookies)
{
if (cookieHeader.empty() )
{
return false;
}
for (size_t cur_pos = 0, next_value; std::string::npos != cur_pos; cur_pos = next_value)
{
next_value = cookieHeader.find(' ', cur_pos);
size_t delimiter = cookieHeader.find('=', cur_pos);
if (std::string::npos == delimiter || delimiter > next_value)
{
return false;
}
std::string key = cookieHeader.substr(cur_pos, delimiter - cur_pos);
trim(key);
++delimiter;
std::string value = cookieHeader.substr(delimiter, std::string::npos != next_value ? next_value - delimiter : next_value);
trim(value);
cookies.emplace(std::move(key), std::move(value) );
if (std::string::npos != next_value)
{
++next_value;
}
}
return true;
}
};