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Introduce a variant of rtc::split that returns a vector of string_view

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Intended to be compatible with absl::StrSplit, but without the binary
cost of that dependency.

Bug: webrtc:13579
Change-Id: I167726903d74b8d5f299886cfb3e5d60610ddb93
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/247185
Reviewed-by: Ali Tofigh <alito@webrtc.org>
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Commit-Queue: Niels Moller <nisse@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#35780}
This commit is contained in:
Niels Möller
2022-01-24 14:15:03 +01:00
committed by WebRTC LUCI CQ
parent 3a88dd99c7
commit 2d3186e001
6 changed files with 31 additions and 17 deletions
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22
rtc_base/string_encode.cc
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@ -214,19 +214,27 @@ std::string join(const std::vector<std::string>& source, char delimiter) {
return joined_string;
}
std::vector<absl::string_view> split(absl::string_view source, char delimiter) {
std::vector<absl::string_view> fields;
size_t last = 0;
for (size_t i = 0; i < source.length(); ++i) {
if (source[i] == delimiter) {
fields.push_back(source.substr(last, i - last));
last = i + 1;
}
}
fields.push_back(source.substr(last));
return fields;
}
size_t split(absl::string_view source,
char delimiter,
std::vector<std::string>* fields) {
RTC_DCHECK(fields);
fields->clear();
size_t last = 0;
for (size_t i = 0; i < source.length(); ++i) {
if (source[i] == delimiter) {
fields->emplace_back(source.substr(last, i - last));
last = i + 1;
}
for (const absl::string_view field_view : split(source, delimiter)) {
fields->emplace_back(field_view);
}
fields->emplace_back(source.substr(last));
return fields->size();
}