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csv_util.h
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csv_util.h
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/*
Copyright (C) 2002 Alex Mottram (geo_alexm at cox-internet.com)
Copyright (C) 2002-2014 Robert Lipe
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, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111 USA
*/
#include "queue.h"
#include "defs.h"
#include <QtCore/QStringList>
class QTextStream;
#include <utility>
/* function prototypes */
char*
csv_stringtrim(const char* string, const char* enclosure, int strip_max);
QString csv_stringtrim(const QString& source, const QString& enclosure);
char*
csv_lineparse(const char* stringstart, const char* delimited_by, const char* enclosed_in, int line_no);
void
human_to_dec(const char* instr, double* outlat, double* outlon, int which);
inline void
human_to_dec(const QString& instr, double* outlat, double* outlon, int which) {
human_to_dec(CSTR(instr), outlat, outlon, which);
}
char*
csv_stringclean(const char* string, const char* chararray);
QString csv_stringclean(const QString& string, const QString& chararray);
void
xcsv_data_read();
void
xcsv_data_write();
void
xcsv_file_init();
void
xcsv_prologue_add(const QString&);
void
xcsv_epilogue_add(const QString&);
void
xcsv_ifield_add(const QString&, const QString&, const QString&);
void
xcsv_ofield_add(const QString&, const QString&, const QString&, unsigned options);
void
xcsv_destroy_style();
QString
xcsv_get_char_from_constant_table(const QString& key);
/****************************************************************************/
/* types required for various xcsv functions */
/****************************************************************************/
/* something to map fields to waypts */
#define OPTIONS_NODELIM 1U
#define OPTIONS_ABSOLUTE 2U
#define OPTIONS_OPTIONAL 4U
struct field_map {
public:
// We use QByteArrays because consumers want char* data and QByteArrays supply this through constData().
// If we used QStrings, then we would have to convert to QByteArrays to get the char* data.
// If we use char* then we have to manage memory allocation/deallocation.
// TODO: when consumers use QStrings then we can store QStrings instead of QByteArrays.
QByteArray key;
QByteArray val;
QByteArray printfc;
int hashed_key{0};
unsigned options{0};
field_map() = default;
field_map(QByteArray k, QByteArray v, QByteArray p, int hk) : key{std::move(k)},val{std::move(v)},printfc{std::move(p)},hashed_key{hk} {}
field_map(QByteArray k, QByteArray v, QByteArray p, int hk, unsigned o) : key{std::move(k)},val{std::move(v)},printfc{
std::move(p)},hashed_key{hk},options{o} {}
};
/* something to map config file constants to chars */
typedef struct char_map {
const QString key;
const QString chars;
} char_map_t;
namespace gpsbabel
{
class File;
}
/*
* a Class describing all the wonderful elements of xcsv files, in a
* nutshell.
* It completely shows that this began life as a C struct...baby steps.
*/
class XcsvFile {
public:
XcsvFile();
bool is_internal; /* bool - is internal (1) or parsed (0) */
/* header lines for writing at the top of the file. */
QStringList prologue;
/* footer lines for writing at the bottom of the file. */
QStringList epilogue;
QString field_delimiter; /* comma, quote, etc... */
QString field_encloser; /* doublequote, etc... */
QString record_delimiter; /* newline, c/r, etc... */
QString badchars; /* characters we never write to output */
QList<field_map> ifields; /* input field mapping */
QList<field_map> ofields; /* output field mapping */
gpsbabel::File* file;
QTextStream* stream;
QTextCodec* codec;
QString fname; /* ptr to filename of above. */
QString description; /* Description for help text */
QString extension; /* preferred filename extension (for wrappers)*/
short_handle mkshort_handle;/* handle for mkshort() */
ff_type type; /* format type for GUI wrappers. */
int gps_datum; /* result of GPS_Lookup_Datum_Index */
gpsdata_type datatype; /* can be wptdata, rtedata or trkdata */
/* ... or ZERO to keep the old behaviour */
};
/****************************************************************************/
/* obligatory global struct */
/****************************************************************************/
extern XcsvFile xcsv_file;