comparison: src/ldrawsyntaxhighlighter.cpp
src/ldrawsyntaxhighlighter.cpp
- changeset 331
- 638a7458ef5e
- child 342
- 9fd7dcab6d76
equal
deleted
inserted
replaced
| 330:edb6c09cdd3c | 331:638a7458ef5e |
|---|---|
| 1 #include "ldrawsyntaxhighlighter.h" | |
| 2 | |
| 3 #define NUMBER_REGEX R"([+-]?(?:(?:\d+\.?\d*)|(?:\.\d+)))" | |
| 4 #define SPACE_REGEX R"(\s+)" | |
| 5 #define VEC3_REGEX "(" NUMBER_REGEX SPACE_REGEX NUMBER_REGEX SPACE_REGEX NUMBER_REGEX ")" | |
| 6 #define TWO_VECTORS VEC3_REGEX SPACE_REGEX VEC3_REGEX | |
| 7 #define THREE_VECTORS TWO_VECTORS SPACE_REGEX VEC3_REGEX | |
| 8 #define FOUR_VECTORS THREE_VECTORS SPACE_REGEX VEC3_REGEX | |
| 9 | |
| 10 LDrawSyntaxHighlighter::LDrawSyntaxHighlighter(QTextDocument* parent) : | |
| 11 QSyntaxHighlighter{parent} | |
| 12 { | |
| 13 this->lineTypeFormat.setFontWeight(QFont::Bold); | |
| 14 this->point1Format.setForeground(Qt::green); | |
| 15 this->point2Format.setForeground(Qt::yellow); | |
| 16 this->point3Format.setForeground(Qt::cyan); | |
| 17 this->point4Format.setForeground(Qt::magenta); | |
| 18 this->point2Format.setFontWeight(QFont::Bold); | |
| 19 this->point4Format.setFontWeight(QFont::Bold); | |
| 20 this->nameFormat.setFontItalic(true); | |
| 21 this->bfcFormat.setForeground(Qt::green); | |
| 22 this->bfcFormat.setFontWeight(QFont::Bold); | |
| 23 this->errorFormat.setUnderlineColor(Qt::yellow); | |
| 24 this->errorFormat.setUnderlineStyle(QTextCharFormat::WaveUnderline); | |
| 25 this->refPattern = QRegularExpression{R"(^\s*(1)\s+(\d+)\s+)" FOUR_VECTORS SPACE_REGEX R"(([^ ]+)\s*$)"}; | |
| 26 this->trianglePattern = QRegularExpression{R"(^\s*(3)\s+(\d+)\s+)" THREE_VECTORS R"(\s*$)"}; | |
| 27 this->quadrilateralPattern = QRegularExpression{R"(^\s*(4)\s+(\d+)\s+)" FOUR_VECTORS R"(\s*$)"}; | |
| 28 this->cedgePattern = QRegularExpression{R"(^\s*(5)\s+(\d+)\s+)" FOUR_VECTORS R"(\s*$)"}; | |
| 29 this->bfcPattern = QRegularExpression{QStringLiteral( | |
| 30 R"(^\s*(0) (BFC (?:CERTIFY CCW|CERTIFY CW|NOCERTIFY|INVERTNEXT|CLIP|NOCLIP))\s*$)" | |
| 31 )}; | |
| 32 this->commentPattern = QRegularExpression{R"(^\s*(0)\s+(.+)$)"}; | |
| 33 } | |
| 34 | |
| 35 void LDrawSyntaxHighlighter::highlightBlock(const QString& text) | |
| 36 { | |
| 37 bool matched = false; | |
| 38 const auto matchRegex = [&text, this, &matched]( | |
| 39 const QRegularExpression& re, | |
| 40 const QVector<const QTextCharFormat*> formats | |
| 41 ){ | |
| 42 if (not matched) { | |
| 43 QRegularExpressionMatch match = re.match(text); | |
| 44 if (match.hasMatch()) { | |
| 45 for (int i = 0; i < formats.size(); ++i) { | |
| 46 this->setFormat(match.capturedStart(i + 1), match.capturedLength(i + 1), *formats[i]); | |
| 47 } | |
| 48 } | |
| 49 matched = match.hasMatch(); | |
| 50 } | |
| 51 }; | |
| 52 matchRegex(this->refPattern, { | |
| 53 &this->lineTypeFormat, | |
| 54 &this->colorFormat, | |
| 55 &this->point1Format, | |
| 56 &this->point2Format, | |
| 57 &this->point3Format, | |
| 58 &this->point4Format, | |
| 59 &this->nameFormat, | |
| 60 }); | |
| 61 matchRegex(this->trianglePattern, { | |
| 62 &this->lineTypeFormat, | |
| 63 &this->colorFormat, | |
| 64 &this->point1Format, | |
| 65 &this->point2Format, | |
| 66 &this->point3Format, | |
| 67 }); | |
| 68 matchRegex(this->quadrilateralPattern, { | |
| 69 &this->lineTypeFormat, | |
| 70 &this->colorFormat, | |
| 71 &this->point1Format, | |
| 72 &this->point2Format, | |
| 73 &this->point3Format, | |
| 74 &this->point4Format, | |
| 75 }); | |
| 76 matchRegex(this->cedgePattern, { | |
| 77 &this->lineTypeFormat, | |
| 78 &this->colorFormat, | |
| 79 &this->point1Format, | |
| 80 &this->point2Format, | |
| 81 &this->point3Format, | |
| 82 &this->point4Format, | |
| 83 }); | |
| 84 matchRegex(this->commentPattern, { | |
| 85 &this->lineTypeFormat, | |
| 86 &this->nameFormat, | |
| 87 }); | |
| 88 matchRegex(this->bfcPattern, { | |
| 89 &this->lineTypeFormat, | |
| 90 &this->bfcFormat, | |
| 91 }); | |
| 92 if (not matched) { | |
| 93 this->setFormat(0, text.length(), this->errorFormat); | |
| 94 } | |
| 95 } |
