1 /*
2 ** consolebuffer.h
3 **
4 ** manages the text for the console
5 **
6 **---------------------------------------------------------------------------
7 ** Copyright 2014 Christoph Oelckers
8 ** All rights reserved.
9 **
10 ** Redistribution and use in source and binary forms, with or without
11 ** modification, are permitted provided that the following conditions
12 ** are met:
13 **
14 ** 1. Redistributions of source code must retain the above copyright
15 **    notice, this list of conditions and the following disclaimer.
16 ** 2. Redistributions in binary form must reproduce the above copyright
17 **    notice, this list of conditions and the following disclaimer in the
18 **    documentation and/or other materials provided with the distribution.
19 ** 3. The name of the author may not be used to endorse or promote products
20 **    derived from this software without specific prior written permission.
21 **
22 ** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23 ** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24 ** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 ** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26 ** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27 ** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31 ** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 **---------------------------------------------------------------------------
33 **
34 */
35 
36 #include <limits.h>
37 #include <stdio.h>
38 #include "zstring.h"
39 #include "tarray.h"
40 #include "v_text.h"
41 
42 enum EAddType
43 {
44 	NEWLINE,
45 	APPENDLINE,
46 	REPLACELINE
47 };
48 
49 class FConsoleBuffer
50 {
51 	TArray<FString> mConsoleText;
52 	TArray<FBrokenLines *> mBrokenConsoleText;	// This holds the structures returned by V_BreakLines and is used for memory management.
53 	TArray<unsigned int> mBrokenStart;
54 	TArray<FBrokenLines *> mBrokenLines;		// This holds the single lines, indexed by mBrokenStart and is used for printing.
55 	FILE * mLogFile;
56 	EAddType mAddType;
57 	int mTextLines;
58 	bool mBufferWasCleared;
59 
60 	FFont *mLastFont;
61 	int mLastDisplayWidth;
62 	bool mLastLineNeedsUpdate;
63 
64 	void WriteLineToLog(FILE *LogFile, const char *outline);
65 	void FreeBrokenText(unsigned int start = 0, unsigned int end = INT_MAX);
66 
67 	void Linefeed(FILE *Logfile);
68 
69 public:
70 	FConsoleBuffer();
71 	~FConsoleBuffer();
72 	void AddText(int printlevel, const char *string, FILE *logfile = NULL);
73 	void AddMidText(const char *string, bool bold, FILE *logfile);
74 	void FormatText(FFont *formatfont, int displaywidth);
75 	void ResizeBuffer(unsigned newsize);
76 	void WriteContentToLog(FILE *logfile);
Clear()77 	void Clear()
78 	{
79 		mBufferWasCleared = true;
80 		mConsoleText.Clear();
81 	}
GetFormattedLineCount()82 	int GetFormattedLineCount() { return mTextLines; }
GetLines()83 	FBrokenLines **GetLines() { return &mBrokenLines[0]; }
84 };
85 
86