compiler/src/iree/compiler/Utils/StringUtils.cpp

// Copyright 2022 The IREE Authors
//
// Licensed under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

#include "iree/compiler/Utils/StringUtils.h"

#include "llvm/ADT/StringRef.h"

namespace mlir::iree_compiler {

void replaceAllSubstrsInPlace(std::string &str, const std::string &match,
                              const std::string &substitute) {
  std::string::size_type scanLoc = 0, matchLoc = std::string::npos;
  while ((matchLoc = str.find(match, scanLoc)) != std::string::npos) {
    str.replace(matchLoc, match.size(), substitute);
    scanLoc = matchLoc + substitute.size();
  }
}

std::string replaceAllSubstrs(const std::string &str, const std::string &match,
                              const std::string &substitute) {
  std::string copy(str);
  replaceAllSubstrsInPlace(copy, match, substitute);
  return copy;
}

std::string sanitizeSymbolName(StringRef name) {
  std::string result;
  result.reserve(name.size());
  for (size_t i = 0; i < name.size(); ++i) {
    char c = name[i];
    if (!((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') ||
          (c >= '0' && c <= '9') || c == '_')) {
      c = '_';
    }
    result.push_back(c);
  }
  return result;
}

std::string sanitizeFileName(StringRef name) {
  std::string result;
  result.reserve(name.size());
  for (size_t i = 0; i < name.size(); ++i) {
    char c = name[i];
    if (!((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') ||
          (c >= '0' && c <= '9') || c == '_' || c == '-' || c == '.')) {
      c = '_';
    }
    result.push_back(c);
  }
  return result;
}

} // namespace mlir::iree_compiler