Learn PEGTL a little.

1 files changed, 119 insertions, 0 deletions

diff --git a/MoonParser/slice.cpp b/MoonParser/slice.cpp
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+++ b/MoonParser/slice.cpp
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+/**
+ * Copyright (C) 2017, IppClub. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include "Slice.h"
+#include <cstdlib>
+
+namespace silly {
+
+namespace slice {
+
+const std::string Slice::Empty;
+
+int Slice::compare(const Slice &rhs) const {
+  int ret = 0;
+
+  // It's illegal to pass nullptr to memcmp.
+  if (str_ && rhs.str_)
+    ret = memcmp(str_, rhs.str_, len_);
+
+  if (ret == 0) {
+    // Use len_ - rhs.len_ as returned value may cause overflow
+    // of size_t type length. Therefore +1, -1 are returned here.
+    if (len_ < rhs.len_)
+      return -1;
+    else if (len_ > rhs.len_)
+      return 1;
+  }
+  return ret;
+}
+
+std::string Slice::getFilePath() const {
+  std::string filename = toString();
+  size_t pos = filename.find_last_of("/\\");
+  if (pos == std::string::npos)
+  {
+    return Slice::Empty;
+  }
+  return filename.substr(0, pos) + "/";
+}
+
+std::string Slice::getFileName() const {
+  std::string filename = toString();
+  size_t pos = filename.find_last_of("/\\");
+  if (pos == std::string::npos) {
+    return Slice::Empty;
+  }
+  return filename.substr(pos+1);
+}
+
+std::string Slice::toLower() const {
+  std::string tmp = toString();
+  for (size_t i = 0; i < tmp.length(); i++) {
+    tmp[i] = (char)tolower(tmp[i]);
+  }
+  return tmp;
+}
+
+std::string Slice::toUpper() const {
+  std::string tmp = toString();
+  for (size_t i = 0; i < tmp.length(); i++) {
+    tmp[i] = (char)toupper(tmp[i]);
+  }
+  return tmp;
+}
+
+std::string Slice::getFileExtension() const {
+  std::string filename = toString();
+  size_t pos = filename.rfind('.');
+  if (pos == std::string::npos) {
+    return Slice::Empty;
+  }
+  return Slice(filename.substr(pos + 1)).toLower();
+}
+
+std::list<Slice> Slice::split(const Slice& delims) const {
+  std::string text = toString();
+  std::string delimers = delims.toString();
+  std::list<Slice> tokens;
+  std::size_t start = text.find_first_not_of(delimers), end = 0;
+  while ((end = text.find_first_of(delimers, start)) != std::string::npos) {
+    tokens.push_back(Slice(str_ + start, end - start));
+    start = text.find_first_not_of(delimers, end);
+  }
+  if (start != std::string::npos) {
+    tokens.push_back(Slice(str_ + start));
+  }
+  return tokens;
+}
+
+float Slice::stof(const Slice& str) {
+  return static_cast<float>(std::atof(str.toString().c_str()));
+}
+
+int Slice::stoi(const Slice& str) {
+  return std::atoi(str.toString().c_str());
+}
+
+} // namespace slice
+
+} // namespace silly