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// This file is part of Golly.
// See docs/License.html for the copyright notice.
#ifndef _UTILS_H_
#define _UTILS_H_
#include <string> // for std::string
class lifepoll;
// Various types and utility routines:
typedef struct {
unsigned char r;
unsigned char g;
unsigned char b;
} gColor; // a color in RGB space
typedef struct {
int x;
int y;
int width;
int height;
} gRect; // a rectangle
void SetColor(gColor& color, unsigned char red, unsigned char green, unsigned char blue);
// Set given gColor to given RGB values.
void SetRect(gRect& rect, int x, int y, int width, int height);
// Set given gRect to given location and size.
void Warning(const char* msg);
// Beep and display message in a modal dialog.
bool YesNo(const char* msg);
// Similar to Warning, but there are 2 buttons: Yes and No.
// Returns true if Yes button is hit.
void Fatal(const char* msg);
// Beep, display message in a modal dialog, then exit app.
void Beep();
// Play beep sound, depending on user setting.
double TimeInSeconds();
// Get time of day, in seconds (accuracy in microsecs).
std::string CreateTempFileName(const char* prefix);
// Return path to a unique temporary file.
bool FileExists(const std::string& filepath);
// Does given file exist?
void RemoveFile(const std::string& filepath);
// Delete given file.
bool CopyFile(const std::string& inpath, const std::string& outpath);
// Return true if input file is successfully copied to output file.
// If the output file existed it is replaced.
bool MoveFile(const std::string& inpath, const std::string& outpath);
// Return true if input file is successfully moved to output file.
// If the output file existed it is replaced.
void FixURLPath(std::string& path);
// Replace "%..." with suitable chars for a file path (eg. %20 is changed to space).
bool IsHTMLFile(const std::string& filename);
// Return true if the given file's extension is .htm or .html
// (ignoring case).
bool IsTextFile(const std::string& filename);
// Return true if the given file's extension is .txt or .doc,
// or if it's not a HTML file and its name contains "readme"
// (ignoring case).
bool IsZipFile(const std::string& filename);
// Return true if the given file's extension is .zip or .gar
// (ignoring case).
bool IsRuleFile(const std::string& filename);
// Return true if the given file is a rule-related file with
// an extension of .rule or .table or .tree or .colors or .icons
// (ignoring case).
bool IsScriptFile(const std::string& filename);
// Return true if the given file is a Lua or Perl or Python script.
// It simply checks if the file's extension is .lua or .pl or .py
// (ignoring case).
bool EndsWith(const std::string& str, const std::string& suffix);
// Return true if given string ends with given suffix.
lifepoll* Poller();
void PollerReset();
void PollerInterrupt();
extern int event_checker;
// Poller is used by gollybase modules to process events.
// If event_checker > 0 then we've been called from the event checking code.
#endif
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