46 lines
1.3 KiB
C
46 lines
1.3 KiB
C
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#pragma once
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// Step 114: Go-to-line parsing helpers
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#include <string>
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#include <cctype>
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inline std::string trimCopy(const std::string& s) {
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size_t start = 0;
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while (start < s.size() && std::isspace((unsigned char)s[start])) ++start;
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size_t end = s.size();
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while (end > start && std::isspace((unsigned char)s[end - 1])) --end;
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return s.substr(start, end - start);
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}
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inline bool parseLineColInput(const std::string& input, int& outLine, int& outCol) {
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std::string s = trimCopy(input);
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if (s.empty()) return false;
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if (!s.empty() && s[0] == ':') s = s.substr(1);
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size_t colon = s.find(':');
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std::string lineStr = (colon == std::string::npos) ? s : s.substr(0, colon);
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std::string colStr = (colon == std::string::npos) ? "" : s.substr(colon + 1);
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if (lineStr.empty()) return false;
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int line = 0;
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for (char c : lineStr) {
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if (!std::isdigit((unsigned char)c)) return false;
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line = line * 10 + (c - '0');
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}
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if (line <= 0) return false;
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int col = 1;
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if (!colStr.empty()) {
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col = 0;
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for (char c : colStr) {
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if (!std::isdigit((unsigned char)c)) return false;
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col = col * 10 + (c - '0');
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}
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if (col <= 0) return false;
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}
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outLine = line;
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outCol = col;
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return true;
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}
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