fltk/fluid/file.h

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//
// Fluid file routines for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2023 by Bill Spitzak and others.
//
// This library is free software. Distribution and use rights are outlined in
// the file "COPYING" which should have been included with this file. If this
// file is missing or damaged, see the license at:
//
// https://www.fltk.org/COPYING.php
//
// Please see the following page on how to report bugs and issues:
//
// https://www.fltk.org/bugs.php
//
#ifndef _FLUID_FILE_H
#define _FLUID_FILE_H
#include "Fl_Type.h"
#include <FL/fl_attr.h>
class Fl_Type;
extern int fdesign_flip;
int read_file(const char *, int merge, Strategy strategy=kAddAsLastChild);
int write_file(const char *, int selected_only = 0, bool to_sourceview = false);
class Fd_Project_Reader
{
protected:
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/// Project input file
FILE *fin;
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/// Number of most recently read line
int lineno;
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/// Pointer to the file path and name (not copied!)
const char *fname;
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/// Expanding buffer to store the most recently read word
char *buffer;
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/// Exact size of the expanding buffer in bytes
int buflen;
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void expand_buffer(int length);
int nextchar() { for (;;) { int ret = fgetc(fin); if (ret!='\r') return ret; } }
public:
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/// Holds the file version number after reading the "version" tag
double read_version;
public:
Fd_Project_Reader();
~Fd_Project_Reader();
int open_read(const char *s);
int close_read();
const char *filename_name();
int read_quoted();
Fl_Type *read_children(Fl_Type *p, int merge, Strategy strategy, char skip_options=0);
int read_project(const char *, int merge, Strategy strategy=kAddAsLastChild);
void read_error(const char *format, ...);
const char *read_word(int wantbrace = 0);
int read_int();
int read_fdesign_line(const char*& name, const char*& value);
void read_fdesign();
};
class Fd_Project_Writer
{
protected:
// Project output file, always opened in "wb" mode
FILE *fout;
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/// If set, one space is written before text unless the format starts with a newline character
int needspace;
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/// Set if this file will be used in the SourceView dialog
bool write_sourceview_;
public:
Fd_Project_Writer();
~Fd_Project_Writer();
int open_write(const char *s);
int close_write();
int write_project(const char *filename, int selected_only, bool sourceview);
void write_word(const char *);
void write_string(const char *,...) __fl_attr((__format__ (__printf__, 2, 3)));
void write_indent(int n);
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void write_open();
void write_close(int n);
FILE *file() const { return fout; }
bool write_sourceview() const { return write_sourceview_; }
};
#endif // _FLUID_FILE_H