TYPE3

[iec.git] / src / type3_AndroidCloud / anbox-master / external / cpu_features / include / internal / string_view.h

diff --git a/src/type3_AndroidCloud/anbox-master/external/cpu_features/include/internal/string_view.h b/src/type3_AndroidCloud/anbox-master/external/cpu_features/include/internal/string_view.h
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+++ b/src/type3_AndroidCloud/anbox-master/external/cpu_features/include/internal/string_view.h
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+// Copyright 2017 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// A view over a piece of string. The view is not 0 terminated.
+#ifndef CPU_FEATURES_INCLUDE_INTERNAL_STRING_VIEW_H_
+#define CPU_FEATURES_INCLUDE_INTERNAL_STRING_VIEW_H_
+
+#include <stdbool.h>
+#include <stddef.h>
+#include <string.h>
+#include "cpu_features_macros.h"
+
+CPU_FEATURES_START_CPP_NAMESPACE
+
+typedef struct {
+  const char* ptr;
+  size_t size;
+} StringView;
+
+#ifdef __cplusplus
+static const StringView kEmptyStringView = {NULL, 0};
+#else
+static const StringView kEmptyStringView;
+#endif
+
+// Returns a StringView from the provided string.
+// Passing NULL is valid only if size is 0.
+static inline StringView view(const char* str, const size_t size) {
+  StringView view;
+  view.ptr = str;
+  view.size = size;
+  return view;
+}
+
+static inline StringView str(const char* str) { return view(str, strlen(str)); }
+
+// Returns the index of the first occurrence of c in view or -1 if not found.
+int CpuFeatures_StringView_IndexOfChar(const StringView view, char c);
+
+// Returns the index of the first occurrence of sub_view in view or -1 if not
+// found.
+int CpuFeatures_StringView_IndexOf(const StringView view,
+                                   const StringView sub_view);
+
+// Returns whether a is equal to b (same content).
+bool CpuFeatures_StringView_IsEquals(const StringView a, const StringView b);
+
+// Returns whether a starts with b.
+bool CpuFeatures_StringView_StartsWith(const StringView a, const StringView b);
+
+// Removes count characters from the beginning of view or kEmptyStringView if
+// count if greater than view.size.
+StringView CpuFeatures_StringView_PopFront(const StringView str_view,
+                                           size_t count);
+
+// Removes count characters from the end of view or kEmptyStringView if count if
+// greater than view.size.
+StringView CpuFeatures_StringView_PopBack(const StringView str_view,
+                                          size_t count);
+
+// Keeps the count first characters of view or view if count if greater than
+// view.size.
+StringView CpuFeatures_StringView_KeepFront(const StringView str_view,
+                                            size_t count);
+
+// Retrieves the first character of view. If view is empty the behavior is
+// undefined.
+char CpuFeatures_StringView_Front(const StringView view);
+
+// Retrieves the last character of view. If view is empty the behavior is
+// undefined.
+char CpuFeatures_StringView_Back(const StringView view);
+
+// Removes leading and tailing space characters.
+StringView CpuFeatures_StringView_TrimWhitespace(StringView view);
+
+// Convert StringView to positive integer. e.g. "42", "0x2a".
+// Returns -1 on error.
+int CpuFeatures_StringView_ParsePositiveNumber(const StringView view);
+
+// Copies src StringView to dst buffer.
+void CpuFeatures_StringView_CopyString(const StringView src, char* dst,
+                                       size_t dst_size);
+
+// Checks if line contains the specified whitespace separated word.
+bool CpuFeatures_StringView_HasWord(const StringView line,
+                                    const char* const word);
+
+// Get key/value from line. key and value are separated by ": ".
+// key and value are cleaned up from leading and trailing whitespaces.
+bool CpuFeatures_StringView_GetAttributeKeyValue(const StringView line,
+                                                 StringView* key,
+                                                 StringView* value);
+
+CPU_FEATURES_END_CPP_NAMESPACE
+
+#endif  // CPU_FEATURES_INCLUDE_INTERNAL_STRING_VIEW_H_