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202 lines
7.8 KiB
202 lines
7.8 KiB
// Copyright (C) 2011 The Libphonenumber Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Author: Philippe Liard
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#ifndef I18N_PHONENUMBERS_STRINGUTIL_H_
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#define I18N_PHONENUMBERS_STRINGUTIL_H_
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#include <cstddef>
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#include <string>
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#include <vector>
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#include "phonenumbers/base/basictypes.h"
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#include "absl/strings/string_view.h"
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#include "absl/strings/str_cat.h"
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namespace i18n {
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namespace phonenumbers {
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using std::string;
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using std::vector;
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// Supports string("hello") + 10.
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string operator+(const string& s, int n); // NOLINT(runtime/string)
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// Converts integer to string.
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string SimpleItoa(uint64 n);
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string SimpleItoa(int64 n);
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string SimpleItoa(int n);
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// Returns whether the provided string starts with the supplied prefix.
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bool HasPrefixString(const string& s, const string& prefix);
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// Returns the index of the nth occurence of c in s or string::npos if less than
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// n occurrences are present.
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size_t FindNth(const string& s, char c, int n);
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// Splits a string using a character delimiter. Appends the components to the
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// provided vector. Note that empty tokens are ignored.
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void SplitStringUsing(const string& s, char delimiter,
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vector<string>* result);
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// Returns true if 'in' starts with 'prefix' and writes 'in' minus 'prefix' into
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// 'out'.
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bool TryStripPrefixString(const string& in, const string& prefix, string* out);
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// Returns true if 's' ends with 'suffix'.
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bool HasSuffixString(const string& s, const string& suffix);
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// Converts string to int32.
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void safe_strto32(const string& s, int32 *n);
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// Converts string to uint64.
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void safe_strtou64(const string& s, uint64 *n);
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// Converts string to int64.
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void safe_strto64(const string& s, int64* n);
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// Remove all occurrences of a given set of characters from a string.
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void strrmm(string* s, const string& chars);
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// Replaces all instances of 'substring' in 's' with 'replacement'. Returns the
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// number of instances replaced. Replacements are not subject to re-matching.
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int GlobalReplaceSubstring(const string& substring, const string& replacement,
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string* s);
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// An abstract to absl::AlphaNum type; AlphaNum has more accomidating
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// constructors for more types.
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class StringHolder: public absl::AlphaNum {
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public:
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// Don't make the constructors explicit to make the StrCat usage convenient.
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StringHolder(const string& s); // NOLINT(runtime/explicit)
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StringHolder(const char* s); // NOLINT(runtime/explicit)
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StringHolder(uint64 n); // NOLINT(runtime/explicit)
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~StringHolder();
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const absl::string_view GetString() const {
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return Piece();
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}
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const char* GetCString() const {
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return data();
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}
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size_t Length() const {
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return size();
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}
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};
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string& operator+=(string& lhs, const StringHolder& rhs);
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// Efficient string concatenation.
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string StrCat(const StringHolder& s1, const StringHolder& s2);
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string StrCat(const StringHolder& s1, const StringHolder& s2,
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const StringHolder& s3);
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string StrCat(const StringHolder& s1, const StringHolder& s2,
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const StringHolder& s3, const StringHolder& s4);
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string StrCat(const StringHolder& s1, const StringHolder& s2,
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const StringHolder& s3, const StringHolder& s4,
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const StringHolder& s5);
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string StrCat(const StringHolder& s1, const StringHolder& s2,
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const StringHolder& s3, const StringHolder& s4,
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const StringHolder& s5, const StringHolder& s6);
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string StrCat(const StringHolder& s1, const StringHolder& s2,
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const StringHolder& s3, const StringHolder& s4,
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const StringHolder& s5, const StringHolder& s6,
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const StringHolder& s7);
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string StrCat(const StringHolder& s1, const StringHolder& s2,
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const StringHolder& s3, const StringHolder& s4,
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const StringHolder& s5, const StringHolder& s6,
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const StringHolder& s7, const StringHolder& s8);
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string StrCat(const StringHolder& s1, const StringHolder& s2,
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const StringHolder& s3, const StringHolder& s4,
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const StringHolder& s5, const StringHolder& s6,
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const StringHolder& s7, const StringHolder& s8,
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const StringHolder& s9);
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string StrCat(const StringHolder& s1, const StringHolder& s2,
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const StringHolder& s3, const StringHolder& s4,
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const StringHolder& s5, const StringHolder& s6,
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const StringHolder& s7, const StringHolder& s8,
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const StringHolder& s9, const StringHolder& s10,
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const StringHolder& s11);
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string StrCat(const StringHolder& s1, const StringHolder& s2,
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const StringHolder& s3, const StringHolder& s4,
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const StringHolder& s5, const StringHolder& s6,
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const StringHolder& s7, const StringHolder& s8,
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const StringHolder& s9, const StringHolder& s10,
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const StringHolder& s11, const StringHolder& s12);
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string StrCat(const StringHolder& s1, const StringHolder& s2,
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const StringHolder& s3, const StringHolder& s4,
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const StringHolder& s5, const StringHolder& s6,
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const StringHolder& s7, const StringHolder& s8,
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const StringHolder& s9, const StringHolder& s10,
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const StringHolder& s11, const StringHolder& s12,
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const StringHolder& s13);
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string StrCat(const StringHolder& s1, const StringHolder& s2,
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const StringHolder& s3, const StringHolder& s4,
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const StringHolder& s5, const StringHolder& s6,
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const StringHolder& s7, const StringHolder& s8,
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const StringHolder& s9, const StringHolder& s10,
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const StringHolder& s11, const StringHolder& s12,
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const StringHolder& s13, const StringHolder& s14);
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string StrCat(const StringHolder& s1, const StringHolder& s2,
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const StringHolder& s3, const StringHolder& s4,
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const StringHolder& s5, const StringHolder& s6,
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const StringHolder& s7, const StringHolder& s8,
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const StringHolder& s9, const StringHolder& s10,
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const StringHolder& s11, const StringHolder& s12,
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const StringHolder& s13, const StringHolder& s14,
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const StringHolder& s15);
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string StrCat(const StringHolder& s1, const StringHolder& s2,
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const StringHolder& s3, const StringHolder& s4,
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const StringHolder& s5, const StringHolder& s6,
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const StringHolder& s7, const StringHolder& s8,
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const StringHolder& s9, const StringHolder& s10,
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const StringHolder& s11, const StringHolder& s12,
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const StringHolder& s13, const StringHolder& s14,
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const StringHolder& s15, const StringHolder& s16);
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void StrAppend(string* dest, const StringHolder& s1);
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void StrAppend(string* dest, const StringHolder& s1, const StringHolder& s2);
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void StrAppend(string* dest, const StringHolder& s1, const StringHolder& s2,
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const StringHolder& s3);
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void StrAppend(string* dest, const StringHolder& s1, const StringHolder& s2,
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const StringHolder& s3, const StringHolder& s4);
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void StrAppend(string* dest, const StringHolder& s1, const StringHolder& s2,
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const StringHolder& s3, const StringHolder& s4,
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const StringHolder& s5);
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} // namespace phonenumbers
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} // namespace i18n
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#endif // I18N_PHONENUMBERS_STRINGUTIL_H_
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