diff options
Diffstat (limited to 'vendor/github.com/rivo/uniseg/word.go')
-rw-r--r-- | vendor/github.com/rivo/uniseg/word.go | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/vendor/github.com/rivo/uniseg/word.go b/vendor/github.com/rivo/uniseg/word.go deleted file mode 100644 index 34fba7f29..000000000 --- a/vendor/github.com/rivo/uniseg/word.go +++ /dev/null @@ -1,89 +0,0 @@ -package uniseg - -import "unicode/utf8" - -// FirstWord returns the first word found in the given byte slice according to -// the rules of [Unicode Standard Annex #29, Word Boundaries]. This function can -// be called continuously to extract all words from a byte slice, as illustrated -// in the example below. -// -// If you don't know the current state, for example when calling the function -// for the first time, you must pass -1. For consecutive calls, pass the state -// and rest slice returned by the previous call. -// -// The "rest" slice is the sub-slice of the original byte slice "b" starting -// after the last byte of the identified word. If the length of the "rest" slice -// is 0, the entire byte slice "b" has been processed. The "word" byte slice is -// the sub-slice of the input slice containing the identified word. -// -// Given an empty byte slice "b", the function returns nil values. -// -// [Unicode Standard Annex #29, Word Boundaries]: http://unicode.org/reports/tr29/#Word_Boundaries -func FirstWord(b []byte, state int) (word, rest []byte, newState int) { - // An empty byte slice returns nothing. - if len(b) == 0 { - return - } - - // Extract the first rune. - r, length := utf8.DecodeRune(b) - if len(b) <= length { // If we're already past the end, there is nothing else to parse. - return b, nil, wbAny - } - - // If we don't know the state, determine it now. - if state < 0 { - state, _ = transitionWordBreakState(state, r, b[length:], "") - } - - // Transition until we find a boundary. - var boundary bool - for { - r, l := utf8.DecodeRune(b[length:]) - state, boundary = transitionWordBreakState(state, r, b[length+l:], "") - - if boundary { - return b[:length], b[length:], state - } - - length += l - if len(b) <= length { - return b, nil, wbAny - } - } -} - -// FirstWordInString is like [FirstWord] but its input and outputs are strings. -func FirstWordInString(str string, state int) (word, rest string, newState int) { - // An empty byte slice returns nothing. - if len(str) == 0 { - return - } - - // Extract the first rune. - r, length := utf8.DecodeRuneInString(str) - if len(str) <= length { // If we're already past the end, there is nothing else to parse. - return str, "", wbAny - } - - // If we don't know the state, determine it now. - if state < 0 { - state, _ = transitionWordBreakState(state, r, nil, str[length:]) - } - - // Transition until we find a boundary. - var boundary bool - for { - r, l := utf8.DecodeRuneInString(str[length:]) - state, boundary = transitionWordBreakState(state, r, nil, str[length+l:]) - - if boundary { - return str[:length], str[length:], state - } - - length += l - if len(str) <= length { - return str, "", wbAny - } - } -} |