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5c8763be0e
For this change I decided to bundle the remaining modules that need to be resytyled because only two were large enough to warrant doing on their own. Reduces lint errors from 225 to 162 (-28%). Line count from 3073 to 2465 (-20%). Another step in resolving issue #2902.
50 lines
1.6 KiB
C++
50 lines
1.6 KiB
C++
// Generic utilities library.
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#ifndef FISH_UTIL_H
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#define FISH_UTIL_H
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/// Returns the larger of two ints.
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template <typename T>
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inline T maxi(T a, T b) {
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return a > b ? a : b;
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}
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/// Returns the smaller of two ints.
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template <typename T>
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inline T mini(T a, T b) {
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return a < b ? a : b;
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}
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/// Compares two wide character strings with an (arguably) intuitive ordering. This function tries
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/// to order strings in a way which is intuitive to humans with regards to sorting strings
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/// containing numbers.
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///
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/// Most sorting functions would sort the strings 'file1.txt' 'file5.txt' and 'file12.txt' as:
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///
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/// file1.txt
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/// file12.txt
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/// file5.txt
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///
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/// This function regards any sequence of digits as a single entity when performing comparisons, so
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/// the output is instead:
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///
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/// file1.txt
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/// file5.txt
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/// file12.txt
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///
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/// Which most people would find more intuitive.
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///
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/// This won't return the optimum results for numbers in bases higher than ten, such as hexadecimal,
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/// but at least a stable sort order will result.
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///
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/// This function performs a two-tiered sort, where difference in case and in number of leading
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/// zeroes in numbers only have effect if no other differences between strings are found. This way,
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/// a 'file1' and 'File1' will not be considered identical, and hence their internal sort order is
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/// not arbitrary, but the names 'file1', 'File2' and 'file3' will still be sorted in the order
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/// given above.
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int wcsfilecmp(const wchar_t *a, const wchar_t *b);
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/// Get the current time in microseconds since Jan 1, 1970.
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long long get_time();
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#endif
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