Distinguish Rust paths and embedded markup in language detection
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@@ -14,7 +14,9 @@ struct Rule {
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// Каждый признак учитывается один раз: повторение общего слова не повышает уверенность.
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const Rule rules[] = {
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{C, 3, QRegularExpression(R"(^\s*#\s*include\s*[<][\w/]+\.h[>])", QRegularExpression::MultilineOption)},
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{C, 3, QRegularExpression(R"(^\s*#\s*include[ \t]+)", QRegularExpression::MultilineOption)},
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{C, 2, QRegularExpression(R"(^\s*#\s*(?:define|ifdef|ifndef)\s+\w+)", QRegularExpression::MultilineOption)},
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{C, 2, QRegularExpression(R"(\bunsigned\s+(?:(?:long|int|char)\s+)?\w+\s*[;=])")},
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{C, 4, QRegularExpression(R"(\b(?:void|int|char|double|float|size_t)\s+\**\s*\w+\s*\([^;{}]*\)\s*\{)")},
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{C, 2, QRegularExpression(R"(\b(?:typedef\s+(?:struct|enum)|malloc\s*\(|calloc\s*\(|sizeof\s*\())")},
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{C, 2, QRegularExpression(R"(\b(?:const\s+)?(?:char|void|int)\s*\*+\s*\w+)")},
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@@ -23,30 +25,32 @@ const Rule rules[] = {
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QRegularExpression::MultilineOption)},
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{Cpp, 6, QRegularExpression(R"(\btemplate\s*<|\bnamespace\s+[\w:]+\s*\{)")},
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{Cpp, 4, QRegularExpression(R"(\b(?:class|struct)\s+\w+(?:\s*:\s*[^\n{]+)?\s*\{)")},
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{Cpp, 3, QRegularExpression(R"(\b(?:public|private|protected)\s*:|\b\w+::~?\w+\s*\()")} ,
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{Cpp, 3, QRegularExpression(R"(\b(?:public|private|protected)\s*:|\b\w+::~?\w+\s*\()")},
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{Java, 3, QRegularExpression(R"(^\s*(?:package|import)\s+(?:static\s+)?[\w.*]+\s*;)", QRegularExpression::MultilineOption)},
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{Java, 4, QRegularExpression(R"(\b(?:public|protected|private)\s+(?:(?:static|final|abstract)\s+)*(?:class|interface|enum)\s+\w+)")},
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{Java, 5, QRegularExpression(R"(\b(?:public|protected|private)\s+(?:(?:static|final|synchronized)\s+)*(?:void|boolean|String|int|long)\s+\w+\s*\()")} ,
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{Java, 5, QRegularExpression(R"(\b(?:public|protected|private)\s+(?:(?:static|final|synchronized)\s+)*)"
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R"((?:void|boolean|String|int|long)\s+\w+\s*\()")},
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{Java, 4, QRegularExpression(R"(\b(?:implements|extends)\s+[A-Z]\w*|\bSystem\.(?:out|err)\.)")},
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{Kotlin, 6, QRegularExpression(R"(\bfun\s+(?:<[^>\n]+>\s*)?[\w.]+\s*\()")} ,
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{Kotlin, 6, QRegularExpression(R"(\bfun\s+(?:<[^>\n]+>\s*)?[\w.]+\s*\()")},
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{Kotlin, 3, QRegularExpression(R"(^\s*(?:(?:private|public|internal|override|const)\s+)*(?:val|var)\s+\w+\s*[:=])",
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QRegularExpression::MultilineOption)},
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{Kotlin, 5, QRegularExpression(R"(\b(?:data\s+class|sealed\s+class|companion\s+object)\b|\bwhen\s*\([^\n]*\)\s*\{)")},
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{Rust, 7, QRegularExpression(R"(\bfn\s+\w+\s*(?:<[^>\n]+>)?\s*\()")} ,
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{Rust, 5, QRegularExpression(R"(^\s*(?:pub(?:\([^)]*\))?\s+)?(?:use\s+[\w:]+|impl(?:\s*<[^>\n]+>)?\s+\w+))",
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{Rust, 7, QRegularExpression(R"(\bfn\s+\w+\s*(?:<[^>\n]+>)?\s*\()")},
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{Rust, 7, QRegularExpression(R"(^\s*(?:pub(?:\([^)]*\))?\s+)?(?:use\s+[\w:]+\s*(?:;|::|\{)|impl(?:\s*<[^>\n]+>)?\s+\w+))",
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QRegularExpression::MultilineOption)},
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{Rust, 3, QRegularExpression(R"(\blet\s+mut\s+|\b(?:println|vec|assert_eq|format)!\s*[(\[]|#\[derive\s*\()")} ,
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{Rust, 3, QRegularExpression(R"(\blet\s+mut\s+|\b(?:println|vec|assert_eq|format)!\s*[(\[]|#\[derive\s*\()")},
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{Php, 4, QRegularExpression(R"(\$[a-zA-Z_]\w*\s*(?:->|\[|=))")},
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{Php, 4, QRegularExpression(R"(\bfunction\s+\w+\s*\([^\n)]*\$|\b(?:public|private|protected)\s+(?:static\s+)?function\b)")},
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{Php, 3, QRegularExpression(R"(\b(?:echo|require_once|include_once)\b|\barray\s*\(|\$this\b)")},
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{JavaScript, 4, QRegularExpression(R"(\b(?:const|let|var)\s+[a-zA-Z_$][\w$]*\s*=)")},
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{JavaScript, 3, QRegularExpression(R"(=>|\bfunction\s*[\w$]*\s*\()")} ,
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{JavaScript, 3, QRegularExpression(R"(=>|\bfunction\s*[\w$]*\s*\()")},
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{JavaScript, 4, QRegularExpression(R"(\b(?:module\.exports|exports\.\w+|console\.\w+|document\.\w+)\b)")},
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{JavaScript, 4, QRegularExpression(R"(^\s*(?:export\s+(?:default|function|const|class)\b|import\s+[^;\n]+\s+from\b))",
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QRegularExpression::MultilineOption)},
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{Css, 3, QRegularExpression(R"((?:^|[}\n])\s*[.#]?[\w*-][\w\s.#:>+~,*\[\]="'-]*\s*\{)")},
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{Css, 4, QRegularExpression(R"((?:^|[;{\n])\s*(?:color|background(?:-color)?|font(?:-size|-family|-weight)?|display|position)\s*:[^;{}\n]+;)")},
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{Css, 4, QRegularExpression(R"((?:^|[;{\n])\s*(?:margin(?:-\w+)?|padding(?:-\w+)?|border(?:-\w+)?|width|height|opacity|align-items)\s*:[^;{}\n]+;)")},
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{Css, 4, QRegularExpression(R"((?:^|[;{\n])\s*(?:margin(?:-\w+)?|padding(?:-\w+)?|border(?:-\w+)?|width|height|opacity|align-items))"
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R"(\s*:[^;{}\n]+;)")},
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};
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}
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@@ -73,7 +77,9 @@ QString detectCodeLanguage(QStringView source) {
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// Фрагменты HTML без doctype: нужен парный известный тег; JSX с объявлениями JS не выбираем как HTML.
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static const QRegularExpression tags(R"(<(div|span|p|a|ul|li|table|section|form|button|h[1-6])\b[^<>]*>[\s\S]*?</\1\s*>)",
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QRegularExpression::CaseInsensitiveOption);
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if (scores[JavaScript] == 0 && tags.match(code).hasMatch()) scores[Html] = 7;
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if (scores[JavaScript] == 0 && tags.match(code).hasMatch()) { scores[Html] = 7; scores[Css] = 0; }
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// std:: и Type::method встречаются также в Rust; use/fn/impl отличают его от C++.
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if (scores[Rust] >= 7) scores[Cpp] = 0;
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// C является подмножеством C++: специфичные конструкции C++ имеют приоритет.
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if (scores[Cpp] >= 6) scores[C] = 0;
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int best = 0, second = 0;
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