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194 lines
5.1 KiB
C++
194 lines
5.1 KiB
C++
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// Scintilla source code edit control
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/** @file LexMPT.cxx
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** Lexer for MPT specific files. Based on LexOthers.cxx
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** LOT = the text log file created by the MPT application while running a test program
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** Other MPT specific files to be added later.
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**/
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// Copyright 2003 by Marius Gheorghe <mgheorghe@cabletest.com>
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// The License.txt file describes the conditions under which this software may be distributed.
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include <stdarg.h>
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#include <assert.h>
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#include <ctype.h>
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#include <string>
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#include "ILexer.h"
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#include "Scintilla.h"
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#include "SciLexer.h"
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#include "WordList.h"
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#include "LexAccessor.h"
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#include "Accessor.h"
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#include "StyleContext.h"
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#include "CharacterSet.h"
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#include "LexerModule.h"
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#ifdef SCI_NAMESPACE
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using namespace Scintilla;
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#endif
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static int GetLotLineState(std::string &line) {
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if (line.length()) {
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// Most of the time the first non-blank character in line determines that line's type
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// Now finds the first non-blank character
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unsigned i; // Declares counter here to make it persistent after the for loop
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for (i = 0; i < line.length(); ++i) {
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if (!(IsASCII(line[i]) && isspace(line[i])))
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break;
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}
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// Checks if it was a blank line
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if (i == line.length())
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return SCE_LOT_DEFAULT;
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switch (line[i]) {
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case '*': // Fail measurement
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return SCE_LOT_FAIL;
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case '+': // Header
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case '|': // Header
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return SCE_LOT_HEADER;
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case ':': // Set test limits
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return SCE_LOT_SET;
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case '-': // Section break
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return SCE_LOT_BREAK;
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default: // Any other line
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// Checks for message at the end of lot file
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if (line.find("PASSED") != std::string::npos) {
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return SCE_LOT_PASS;
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}
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else if (line.find("FAILED") != std::string::npos) {
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return SCE_LOT_FAIL;
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}
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else if (line.find("ABORTED") != std::string::npos) {
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return SCE_LOT_ABORT;
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}
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else {
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return i ? SCE_LOT_PASS : SCE_LOT_DEFAULT;
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}
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}
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}
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else {
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return SCE_LOT_DEFAULT;
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}
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}
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static void ColourizeLotDoc(unsigned int startPos, int length, int, WordList *[], Accessor &styler) {
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styler.StartAt(startPos);
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styler.StartSegment(startPos);
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bool atLineStart = true;// Arms the 'at line start' flag
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char chNext = styler.SafeGetCharAt(startPos);
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std::string line("");
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line.reserve(256); // Lot lines are less than 256 chars long most of the time. This should avoid reallocations
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// Styles LOT document
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unsigned int i; // Declared here because it's used after the for loop
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for (i = startPos; i < startPos + length; ++i) {
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char ch = chNext;
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chNext = styler.SafeGetCharAt(i + 1);
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line += ch;
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atLineStart = false;
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// LOT files are only used on the Win32 platform, thus EOL == CR+LF
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// Searches for the end of line
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if (ch == '\r' && chNext == '\n') {
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line += chNext; // Gets the '\n'
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++i; // Advances past the '\n'
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chNext = styler.SafeGetCharAt(i + 1); // Gets character of next line
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styler.ColourTo(i, GetLotLineState(line));
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line = "";
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atLineStart = true; // Arms flag for next line
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}
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}
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// Last line may not have a line ending
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if (!atLineStart) {
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styler.ColourTo(i - 1, GetLotLineState(line));
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}
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}
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// Folds an MPT LOT file: the blocks that can be folded are:
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// sections (headed by a set line)
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// passes (contiguous pass results within a section)
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// fails (contiguous fail results within a section)
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static void FoldLotDoc(unsigned int startPos, int length, int, WordList *[], Accessor &styler) {
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bool foldCompact = styler.GetPropertyInt("fold.compact", 0) != 0;
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unsigned int endPos = startPos + length;
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int visibleChars = 0;
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int lineCurrent = styler.GetLine(startPos);
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char chNext = styler.SafeGetCharAt(startPos);
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int style = SCE_LOT_DEFAULT;
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int styleNext = styler.StyleAt(startPos);
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int lev = SC_FOLDLEVELBASE;
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// Gets style of previous line if not at the beginning of the document
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if (startPos > 1)
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style = styler.StyleAt(startPos - 2);
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for (unsigned int i = startPos; i < endPos; i++) {
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char ch = chNext;
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chNext = styler.SafeGetCharAt(i + 1);
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if (ch == '\r' && chNext == '\n') {
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// TO DO:
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// Should really get the state of the previous line from the styler
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int stylePrev = style;
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style = styleNext;
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styleNext = styler.StyleAt(i + 2);
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switch (style) {
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/*
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case SCE_LOT_SET:
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lev = SC_FOLDLEVELBASE | SC_FOLDLEVELHEADERFLAG;
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break;
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*/
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case SCE_LOT_FAIL:
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/*
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if (stylePrev != SCE_LOT_FAIL)
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lev = SC_FOLDLEVELBASE | SC_FOLDLEVELHEADERFLAG;
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else
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lev = SC_FOLDLEVELBASE + 1;
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*/
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lev = SC_FOLDLEVELBASE;
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break;
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default:
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if (lineCurrent == 0 || stylePrev == SCE_LOT_FAIL)
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lev = SC_FOLDLEVELBASE | SC_FOLDLEVELHEADERFLAG;
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else
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lev = SC_FOLDLEVELBASE + 1;
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if (visibleChars == 0 && foldCompact)
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lev |= SC_FOLDLEVELWHITEFLAG;
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break;
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}
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if (lev != styler.LevelAt(lineCurrent))
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styler.SetLevel(lineCurrent, lev);
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lineCurrent++;
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visibleChars = 0;
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}
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if (!isspacechar(ch))
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visibleChars++;
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}
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int flagsNext = styler.LevelAt(lineCurrent) & ~SC_FOLDLEVELNUMBERMASK;
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styler.SetLevel(lineCurrent, lev | flagsNext);
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}
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static const char * const emptyWordListDesc[] = {
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0
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};
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LexerModule lmLot(SCLEX_LOT, ColourizeLotDoc, "lot", FoldLotDoc, emptyWordListDesc);
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