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64 lines
1.5 KiB
64 lines
1.5 KiB
// Copyright GoFrame Author(https://goframe.org). All Rights Reserved.
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//
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// This Source Code Form is subject to the terms of the MIT License.
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// If a copy of the MIT was not distributed with this file,
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// You can obtain one at https://github.com/gogf/gf.
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package gstr
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import (
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"bytes"
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"strings"
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"unicode"
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)
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// Count counts the number of `substr` appears in `s`.
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// It returns 0 if no `substr` found in `s`.
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func Count(s, substr string) int {
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return strings.Count(s, substr)
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}
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// CountI counts the number of `substr` appears in `s`, case-insensitively.
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// It returns 0 if no `substr` found in `s`.
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func CountI(s, substr string) int {
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return strings.Count(ToLower(s), ToLower(substr))
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}
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// CountWords returns information about words' count used in a string.
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// It considers parameter `str` as unicode string.
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func CountWords(str string) map[string]int {
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m := make(map[string]int)
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buffer := bytes.NewBuffer(nil)
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for _, r := range []rune(str) {
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if unicode.IsSpace(r) {
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if buffer.Len() > 0 {
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m[buffer.String()]++
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buffer.Reset()
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}
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} else {
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buffer.WriteRune(r)
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}
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}
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if buffer.Len() > 0 {
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m[buffer.String()]++
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}
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return m
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}
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// CountChars returns information about chars' count used in a string.
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// It considers parameter `str` as unicode string.
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func CountChars(str string, noSpace ...bool) map[string]int {
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m := make(map[string]int)
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countSpace := true
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if len(noSpace) > 0 && noSpace[0] {
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countSpace = false
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}
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for _, r := range []rune(str) {
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if !countSpace && unicode.IsSpace(r) {
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continue
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}
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m[string(r)]++
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}
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return m
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}
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