build/libofx-0.10.0/lib/ofx_utilities.cpp
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/***************************************************************************
ofx_util.cpp
-------------------
copyright : (C) 2002 by Benoit Gr�goire
email : benoitg@coeus.ca
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
#include <config.h>
#include <iostream>
#include <assert.h>
#include "ParserEventGeneratorKit.h"
#include "SGMLApplication.h"
#include <ctime>
#include <cstdlib>
#include <string>
#include <locale.h>
#include "messages.hh"
#include "ofx_utilities.hh"
#ifdef __WIN32__
# define DIRSEP "\\"
#else
# define DIRSEP "/"
#endif
using namespace std;
/*ostream &operator<<(ostream &os, SGMLApplication::CharString s)
{
for (size_t i = 0; i < s.len; i++)
{
os << ((char *)(s.ptr))[i*sizeof(SGMLApplication::Char)];
}
return os;
}*/
/*wostream &operator<<(wostream &os, SGMLApplication::CharString s)
{
for (size_t i = 0; i < s.len; i++)
{//cout<<i;
os << wchar_t(s.ptr[i*MULTIPLY4]);
}
return os;
} */
/*wchar_t* CharStringtowchar_t(SGMLApplication::CharString source, wchar_t *dest)
{
size_t i;
for (i = 0; i < source.len; i++)
{
dest[i]+=wchar_t(source.ptr[i*sizeof(SGMLApplication::Char)*(sizeof(char)/sizeof(wchar_t))]);
}
return dest;
}*/
string CharStringtostring(const SGMLApplication::CharString source, string &dest)
{
size_t i;
dest.assign("");//Empty the provided string
// cout<<"Length: "<<source.len<<"sizeof(Char)"<<sizeof(SGMLApplication::Char)<<endl;
for (i = 0; i < source.len; i++)
{
dest += (char)(((source.ptr)[i]));
// cout<<i<<" "<<(char)(((source.ptr)[i]))<<endl;
}
return dest;
}
string AppendCharStringtostring(const SGMLApplication::CharString source, string &dest)
{
size_t i;
for (i = 0; i < source.len; i++)
{
dest += (char)(((source.ptr)[i]));
}
return dest;
}
/* Since we don't know for an arbitrary date-time whether or not it represents daylight time and we have to tell mktime something, we tell it yes if the current environment's TZ uses daylight time. If mktime finds that the supplied date-time isn't in daylight time for that time zone, it will adjust the struct tm to reflect the same time-point in not-daylight time and correct the value of tm_isdst. We check for that change and if it happens restore timeptr's date and time values and call mktime again with the correct value of tm_isdst. */
static time_t
checked_mktime(struct tm* timeptr)
{
int is_dst = timeptr->tm_isdst;
int min = timeptr->tm_min;
int hour = timeptr->tm_hour;
int mday = timeptr->tm_mday;
int mon = timeptr->tm_mon;
int year = timeptr->tm_year;
time_t result = mktime(timeptr);
if (is_dst == timeptr->tm_isdst) // mktime didn't change it, OK to use the result.
return result;
//Restore the date & time to what it was, but use the new isdst value:
timeptr->tm_min = min;
timeptr->tm_hour = hour;
timeptr->tm_mday = mday;
timeptr->tm_mon = mon;
timeptr->tm_year = year;
return mktime(timeptr);
}
time_t ofxdate_to_time_t(const string ofxdate)
{
struct tm time;
double local_offset; /* in seconds */
float ofx_gmt_offset; /* in fractional hours */
char timezone[4]; /* Original timezone: the library does not expose this value*/
char exact_time_specified = false;
char time_zone_specified = false;
string ofxdate_whole;
time_t temptime;
std::time(&temptime);
local_offset = difftime(mktime(localtime(&temptime)), mktime(gmtime(&temptime)));
/* daylight is set to 1 if the timezone indicated by the environment (either TZ or /etc/localtime) uses daylight savings time (aka summer time). We use it here to provisionally set tm_isdst. */
time.tm_isdst = daylight;
if (ofxdate.size() != 0)
{
ofxdate_whole = ofxdate.substr(0, ofxdate.find_first_not_of("0123456789"));
if (ofxdate_whole.size() >= 8)
{
time.tm_year = atoi(ofxdate_whole.substr(0, 4).c_str()) - 1900;
time.tm_mon = atoi(ofxdate_whole.substr(4, 2).c_str()) - 1;
time.tm_mday = atoi(ofxdate_whole.substr(6, 2).c_str());
if (ofxdate_whole.size() > 8)
{
if (ofxdate_whole.size() == 14)
{
/* if exact time is specified */
exact_time_specified = true;
time.tm_hour = atoi(ofxdate_whole.substr(8, 2).c_str());
time.tm_min = atoi(ofxdate_whole.substr(10, 2).c_str());
time.tm_sec = atoi(ofxdate_whole.substr(12, 2).c_str());
}
else
{
message_out(WARNING, "ofxdate_to_time_t(): Successfully parsed date part, but unable to parse time part of string " + ofxdate_whole + ". It is not in proper YYYYMMDDHHMMSS.XXX[gmt offset:tz name] format!");
}
}
}
else
{
/* Catch invalid string format */
message_out(ERROR, "ofxdate_to_time_t(): Unable to convert time, string " + ofxdate + " is not in proper YYYYMMDDHHMMSS.XXX[gmt offset:tz name] format!");
return checked_mktime(&time);
}
/* Check if the timezone has been specified */
string::size_type startidx = ofxdate.find("[");
string::size_type endidx;
if (startidx != string::npos)
{
/* Time zone was specified */
time_zone_specified = true;
startidx++;
endidx = ofxdate.find(":", startidx) - 1;
ofx_gmt_offset = atof(ofxdate.substr(startidx, (endidx - startidx) + 1).c_str());
startidx = endidx + 2;
strncpy(timezone, ofxdate.substr(startidx, 3).c_str(), 4);
}
else
{
/* Time zone was not specified, assume GMT (provisionnaly) in case exact time is specified */
ofx_gmt_offset = 0;
time.tm_isdst = 0; //GMT doesn't use daylight time.
strcpy(timezone, "GMT");
}
if (time_zone_specified == true)
{
/* If the timezone is specified always correct the timezone */
/* If the timezone is not specified, but the exact time is, correct the timezone, assuming GMT following the spec */
/* Correct the time for the timezone */
time.tm_sec = time.tm_sec + (int)(local_offset - (ofx_gmt_offset * 60 * 60)); //Convert from fractionnal hours to seconds
}
else if (exact_time_specified == false)
{
/*Time zone data missing and exact time not specified, diverge from the OFX spec ans assume 11h59 local time */
time.tm_hour = 11;
time.tm_min = 59;
time.tm_sec = 0;
}
return checked_mktime(&time);
}
else
{
message_out(ERROR, "ofxdate_to_time_t(): Unable to convert time, string is 0 length!");
return 0; // MUST RETURN ZERO here because otherwise the uninitialized &time will be returned!
}
return checked_mktime(&time);
}
double ofxamount_to_double(const string ofxamount)
{
//Replace commas and decimal points for atof()
string::size_type idx;
string tmp = ofxamount;
idx = tmp.find(',');
if (idx == string::npos)
{
idx = tmp.find('.');
}
if (idx != string::npos)
{
tmp.replace(idx, 1, 1, ((localeconv())->decimal_point)[0]);
}
return atof(tmp.c_str());
}
string strip_whitespace(const string para_string)
{
size_t index;
size_t i;
string temp_string = para_string;
if (temp_string.empty())
return temp_string; // so that size()-1 is allowed below
const char *whitespace = " \b\f\n\r\t\v";
const char *abnormal_whitespace = "\b\f\n\r\t\v";//backspace,formfeed,newline,cariage return, horizontal and vertical tabs
message_out(DEBUG4, "strip_whitespace() Before: |" + temp_string + "|");
for (i = 0;
i <= temp_string.size()
&& temp_string.find_first_of(whitespace, i) == i
&& temp_string.find_first_of(whitespace, i) != string::npos;
i++);
temp_string.erase(0, i); //Strip leading whitespace
for (i = temp_string.size() - 1;
(i > 0)
&& (temp_string.find_last_of(whitespace, i) == i)
&& (temp_string.find_last_of(whitespace, i) != string::npos);
i--);
temp_string.erase(i + 1, temp_string.size() - (i + 1)); //Strip trailing whitespace
while ((index = temp_string.find_first_of(abnormal_whitespace)) != string::npos)
{
temp_string.erase(index, 1); //Strip leading whitespace
};
message_out(DEBUG4, "strip_whitespace() After: |" + temp_string + "|");
return temp_string;
}
std::string get_tmp_dir()
{
// Tries to mimic the behaviour of
// http://developer.gnome.org/doc/API/2.0/glib/glib-Miscellaneous-Utility-Functions.html#g-get-tmp-dir
char *var;
var = getenv("TMPDIR");
if (var) return var;
var = getenv("TMP");
if (var) return var;
var = getenv("TEMP");
if (var) return var;
#ifdef __WIN32__
return "C:\\";
#else
return "/tmp";
#endif
}
int mkTempFileName(const char *tmpl, char *buffer, unsigned int size)
{
std::string tmp_dir = get_tmp_dir();
strncpy(buffer, tmp_dir.c_str(), size);
assert((strlen(buffer) + strlen(tmpl) + 2) < size);
strcat(buffer, DIRSEP);
strcat(buffer, tmpl);
return 0;
}
ofxamount_to_double
double ofxamount_to_double(const string ofxamount)
Convert OFX amount of money to double float.
Definition: build/libofx-0.10.0/lib/ofx_utilities.cpp:230
DEBUG4
Definition: build/libofx-0.10.0/lib/messages.hh:29
CharStringtostring
string CharStringtostring(const SGMLApplication::CharString source, string &dest)
Convert OpenSP CharString to a C++ STL string.
Definition: build/libofx-0.10.0/lib/ofx_utilities.cpp:70
ofx_utilities.hh
Various simple functions for type conversion & al.
strip_whitespace
string strip_whitespace(const string para_string)
Sanitize a string coming from OpenSP.
Definition: build/libofx-0.10.0/lib/ofx_utilities.cpp:253
std
ofxdate_to_time_t
time_t ofxdate_to_time_t(const string ofxdate)
Convert a C++ string containing a time in OFX format to a C time_t.
Definition: build/libofx-0.10.0/lib/ofx_utilities.cpp:131
message_out
int message_out(OfxMsgType error_type, const string message)
Message output function.
Definition: build/libofx-0.10.0/lib/messages.cpp:61
AppendCharStringtostring
string AppendCharStringtostring(const SGMLApplication::CharString source, string &dest)
Append an OpenSP CharString to an existing C++ STL string.
Definition: build/libofx-0.10.0/lib/ofx_utilities.cpp:83
WARNING
Definition: build/libofx-0.10.0/lib/messages.hh:33
messages.hh
Message IO functionality.
ERROR
Definition: build/libofx-0.10.0/lib/messages.hh:34