xref: /aosp_15_r20/external/google-breakpad/src/processor/tokenize.h (revision 9712c20fc9bbfbac4935993a2ca0b3958c5adad2)
1*9712c20fSFrederick Mayle // Copyright 2010 Google LLC
2*9712c20fSFrederick Mayle //
3*9712c20fSFrederick Mayle // Redistribution and use in source and binary forms, with or without
4*9712c20fSFrederick Mayle // modification, are permitted provided that the following conditions are
5*9712c20fSFrederick Mayle // met:
6*9712c20fSFrederick Mayle //
7*9712c20fSFrederick Mayle //     * Redistributions of source code must retain the above copyright
8*9712c20fSFrederick Mayle // notice, this list of conditions and the following disclaimer.
9*9712c20fSFrederick Mayle //     * Redistributions in binary form must reproduce the above
10*9712c20fSFrederick Mayle // copyright notice, this list of conditions and the following disclaimer
11*9712c20fSFrederick Mayle // in the documentation and/or other materials provided with the
12*9712c20fSFrederick Mayle // distribution.
13*9712c20fSFrederick Mayle //     * Neither the name of Google LLC nor the names of its
14*9712c20fSFrederick Mayle // contributors may be used to endorse or promote products derived from
15*9712c20fSFrederick Mayle // this software without specific prior written permission.
16*9712c20fSFrederick Mayle //
17*9712c20fSFrederick Mayle // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18*9712c20fSFrederick Mayle // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19*9712c20fSFrederick Mayle // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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27*9712c20fSFrederick Mayle // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28*9712c20fSFrederick Mayle //
29*9712c20fSFrederick Mayle // Implements a Tokenize function for splitting up strings.
30*9712c20fSFrederick Mayle 
31*9712c20fSFrederick Mayle #ifndef GOOGLE_BREAKPAD_PROCESSOR_TOKENIZE_H_
32*9712c20fSFrederick Mayle #define GOOGLE_BREAKPAD_PROCESSOR_TOKENIZE_H_
33*9712c20fSFrederick Mayle 
34*9712c20fSFrederick Mayle #include <string>
35*9712c20fSFrederick Mayle #include <vector>
36*9712c20fSFrederick Mayle 
37*9712c20fSFrederick Mayle #include "common/using_std_string.h"
38*9712c20fSFrederick Mayle 
39*9712c20fSFrederick Mayle namespace google_breakpad {
40*9712c20fSFrederick Mayle 
41*9712c20fSFrederick Mayle // Splits line into at most max_tokens tokens, separated by any of the
42*9712c20fSFrederick Mayle // characters in separators and placing them in the tokens vector.
43*9712c20fSFrederick Mayle // line is a 0-terminated string that optionally ends with a newline
44*9712c20fSFrederick Mayle // character or combination, which will be removed.
45*9712c20fSFrederick Mayle // If more tokens than max_tokens are present, the final token is placed
46*9712c20fSFrederick Mayle // into the vector without splitting it up at all.  This modifies line as
47*9712c20fSFrederick Mayle // a side effect.  Returns true if exactly max_tokens tokens are returned,
48*9712c20fSFrederick Mayle // and false if fewer are returned.  This is not considered a failure of
49*9712c20fSFrederick Mayle // Tokenize, but may be treated as a failure if the caller expects an
50*9712c20fSFrederick Mayle // exact, as opposed to maximum, number of tokens.
51*9712c20fSFrederick Mayle 
52*9712c20fSFrederick Mayle bool Tokenize(char* line,
53*9712c20fSFrederick Mayle               const char* separators,
54*9712c20fSFrederick Mayle               int max_tokens,
55*9712c20fSFrederick Mayle               std::vector<char*>* tokens);
56*9712c20fSFrederick Mayle // For convenience, since you need a char* to pass to Tokenize.
57*9712c20fSFrederick Mayle // You can call StringToVector on a string, and use &vec[0].
58*9712c20fSFrederick Mayle void StringToVector(const string& str, std::vector<char>& vec);
59*9712c20fSFrederick Mayle 
60*9712c20fSFrederick Mayle }  // namespace google_breakpad
61*9712c20fSFrederick Mayle 
62*9712c20fSFrederick Mayle #endif  // GOOGLE_BREAKPAD_PROCESSOR_TOKENIZE_H_
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