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regex: new examples, new utility functions (#7150)

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penguindark
2020-12-05 22:24:08 +01:00
committed by GitHub
parent 1739b08e73
commit 6b7d7cee0c
3 changed files with 206 additions and 7 deletions
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35
vlib/regex/regex.v
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@ -1,6 +1,6 @@
/*
regex 0.9g
regex 0.9h
Copyright (c) 2019-2020 Dario Deledda. All rights reserved.
Use of this source code is governed by an MIT license
@ -19,7 +19,7 @@ module regex
import strings
pub const(
v_regex_version = "0.9g" // regex module version
v_regex_version = "0.9h" // regex module version
max_code_len = 256 // default small base code len for the regex programs
max_quantifier = 1073741824 // default max repetitions allowed for the quantifiers = 2^30
@ -2381,3 +2381,34 @@ pub fn (mut re RE) replace(in_txt string, repl string) string {
}
return in_txt
}
/*
Utilities
*/
pub
struct Re_group {
pub:
start int = -1
end int = -1
}
// get_group_list return a list of Re_group for the found groups
pub fn (re RE) get_group_list() []Re_group {
mut res := []Re_group{len: re.groups.len >> 1}
mut gi := 0
//println("len: ${re.groups.len} groups: ${re.groups}")
for gi < re.groups.len {
if re.groups[gi] >= 0 {
//println("#${gi/2} start: ${re.groups[gi]} end: ${re.groups[gi + 1]} ")
tmp := Re_group{ start: re.groups[gi], end: re.groups[gi + 1]}
//println(tmp)
res[gi >> 1] = tmp
}
gi += 2
}
return res
}