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102 lines
3.4 KiB
102 lines
3.4 KiB
"""
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Cppcheck报告解析器模块
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"""
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import re
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import xml.etree.ElementTree as ET
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from pathlib import Path
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from typing import List
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from .models import CppcheckIssue, IssueLocation
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def parse_cppcheck_xml(xml_path: Path) -> List[CppcheckIssue]:
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"""解析cppcheck XML报告"""
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tree = ET.parse(xml_path)
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root = tree.getroot()
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issues: List[CppcheckIssue] = []
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for error in root.findall("errors/error"):
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issue_id = error.get("id") or "unknown"
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severity = error.get("severity") or "unknown"
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msg = error.get("msg") or (error.get("verbose") or "")
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locations: List[IssueLocation] = []
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for loc in error.findall("location"):
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file_attr = loc.get("file")
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line_attr = loc.get("line")
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if not file_attr:
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continue
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file_path = Path(file_attr).expanduser().resolve()
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line = int(line_attr) if line_attr and line_attr.isdigit() else None
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locations.append(IssueLocation(file_path=file_path, line=line))
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if not locations:
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# 有些 error 只有一层 <error file= line=>
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file_attr = error.get("file")
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line_attr = error.get("line")
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if file_attr:
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locations.append(
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IssueLocation(
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file_path=Path(file_attr).expanduser().resolve(),
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line=int(line_attr) if line_attr and str(line_attr).isdigit() else None,
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)
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)
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issues.append(CppcheckIssue(id=issue_id, severity=severity, message=msg, locations=locations))
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return issues
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def parse_cppcheck_text(text_path: Path) -> List[CppcheckIssue]:
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"""解析 cppcheck 文本日志（常见行格式：
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/path/file.c:111:13: warning: Message [ruleId]
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也包含 note:/information:/error: 等等级
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"""
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content = text_path.read_text(encoding="utf-8", errors="replace")
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issues: List[CppcheckIssue] = []
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# 常见匹配：路径:行:列: 等级: 消息 [规则]
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pattern = re.compile(r"^(?P<file>[^:\n]+?):(?P<line>\d+)(?::\d+)?\:\s*(?P<sev>warning|error|information|note)\:\s*(?P<msg>.*?)(?:\s*\[(?P<id>[^\]]+)\])?\s*$",
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re.IGNORECASE)
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for raw_line in content.splitlines():
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m = pattern.match(raw_line.strip())
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if not m:
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continue
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file_path = Path(m.group("file")).expanduser()
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try:
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file_path = file_path.resolve()
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except Exception:
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pass
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line_num = int(m.group("line")) if m.group("line") else None
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sev = (m.group("sev") or "").lower()
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msg = m.group("msg") or ""
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rid = m.group("id") or "unknown"
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issues.append(
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CppcheckIssue(
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id=rid,
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severity=sev,
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message=msg,
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locations=[IssueLocation(file_path=file_path, line=line_num)],
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)
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)
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return issues
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def read_code_snippet(file_path: Path, center_line: Optional[int], context: int = 30) -> str:
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"""读取代码片段"""
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try:
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lines = file_path.read_text(encoding="utf-8", errors="replace").splitlines()
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except Exception:
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return ""
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if center_line is None:
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start = 0
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end = min(len(lines), 400)
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else:
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start = max(0, center_line - 1 - context)
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end = min(len(lines), center_line - 1 + context)
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snippet = "\n".join(lines[start:end])
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return snippet
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