1 files changed, 94 insertions, 0 deletions
diff --git a/fluid/io/file.h b/fluid/io/file.h
new file mode 100644
index 000000000..470cc1a7b
--- /dev/null
+++ b/fluid/io/file.h
@@ -0,0 +1,94 @@
+//
+// 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 "nodes/Fl_Type.h"
+
+#include <FL/fl_attr.h>
+
+class Fl_Type;
+
+extern int fdesign_flip;
+
+int read_file(const char *, int merge, Strategy strategy=Strategy::FROM_FILE_AS_LAST_CHILD);
+int write_file(const char *, int selected_only = 0, bool to_codeview = false);
+
+class Fd_Project_Reader
+{
+protected:
+  /// Project input file
+  FILE *fin;
+  /// Number of most recently read line
+  int lineno;
+  /// Pointer to the file path and name (not copied!)
+  const char *fname;
+  /// Expanding buffer to store the most recently read word
+  char *buffer;
+  /// Exact size of the expanding buffer in bytes
+  int buflen;
+
+  void expand_buffer(int length);
+
+  int nextchar() { for (;;) { int ret = fgetc(fin); if (ret!='\r') return ret; } }
+
+public:
+  /// 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=Strategy::FROM_FILE_AS_LAST_CHILD);
+  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;
+  /// If set, one space is written before text unless the format starts with a newline character
+  int needspace;
+  /// Set if this file will be used in the codeview dialog
+  bool write_codeview_;
+
+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 codeview);
+  void write_word(const char *);
+  void write_string(const char *,...) __fl_attr((__format__ (__printf__, 2, 3)));
+  void write_indent(int n);
+  void write_open();
+  void write_close(int n);
+  FILE *file() const { return fout; }
+  bool write_codeview() const { return write_codeview_; }
+};
+
+#endif // _FLUID_FILE_H