GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: json_utils.cc Lines: 37 37 100.0 %
Date: 2022-09-02 04:23:42 Branches: 19 20 95.0 %

Line Branch Exec Source
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#include "json_utils.h"
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namespace node {
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std::string EscapeJsonChars(const std::string& str) {
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  const std::string control_symbols[0x20] = {
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      "\\u0000", "\\u0001", "\\u0002", "\\u0003", "\\u0004", "\\u0005",
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      "\\u0006", "\\u0007", "\\b",     "\\t",     "\\n",     "\\u000b",
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      "\\f",     "\\r",     "\\u000e", "\\u000f", "\\u0010", "\\u0011",
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      "\\u0012", "\\u0013", "\\u0014", "\\u0015", "\\u0016", "\\u0017",
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      "\\u0018", "\\u0019", "\\u001a", "\\u001b", "\\u001c", "\\u001d",
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      "\\u001e", "\\u001f"};
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  std::string ret;
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  size_t last_pos = 0;
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  size_t pos = 0;
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  for (; pos < str.size(); ++pos) {
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    std::string replace;
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    char ch = str[pos];
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    if (ch == '\\') {
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      replace = "\\\\";
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    } else if (ch == '\"') {
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      replace = "\\\"";
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    } else {
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      size_t num = static_cast<size_t>(ch);
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      if (num < 0x20) replace = control_symbols[num];
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    }
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    if (!replace.empty()) {
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      if (pos > last_pos) {
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        ret += str.substr(last_pos, pos - last_pos);
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      }
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      last_pos = pos + 1;
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      ret += replace;
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    }
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  }
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  // Append any remaining symbols.
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  if (last_pos < str.size()) {
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    ret += str.substr(last_pos, pos - last_pos);
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  }
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  return ret;
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}
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std::string Reindent(const std::string& str, int indent_depth) {
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  if (indent_depth <= 0) return str;
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  const std::string indent(indent_depth, ' ');
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  std::string out;
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  std::string::size_type pos = 0;
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  for (;;) {
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    std::string::size_type prev_pos = pos;
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    pos = str.find('\n', pos);
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    out.append(indent);
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    if (pos == std::string::npos) {
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      out.append(str, prev_pos, std::string::npos);
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      break;
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    } else {
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      pos++;
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      out.append(str, prev_pos, pos - prev_pos);
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    }
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  }
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  return out;
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}
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}  // namespace node