diff options
author | Abseil Team <absl-team@google.com> | 2020-12-03 11:09:28 -0800 |
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committer | Greg Falcon <gfalcon@google.com> | 2020-12-03 20:40:58 +0000 |
commit | acf3390ca28edf1438fa896602ffede2a7dff103 (patch) | |
tree | 9ea833910de876aeb98dfbaff19e1a3766b34c93 /absl/strings | |
parent | 592924480acf034aec0454160492a20bccdbdf3e (diff) |
Export of internal Abseil changes
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8ebcdcac49f299156a8fd4a77501a258050960e8 by Evan Brown <ezb@google.com>:
In btree_iterator, refactor a bit and update a couple of comments.
PiperOrigin-RevId: 345491436
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421d3b9b5cf484811b9514436ce83f797e109145 by CJ Johnson <johnsoncj@google.com>:
Updates the implementation of InlinedVector to accurately express the value-initialization semantics of the default constructor
PiperOrigin-RevId: 345479151
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88f36a132b2038cb276ed1ad4d9764adb1fc78e6 by CJ Johnson <johnsoncj@google.com>:
Updates the implementation of InlinedVector to accurately express the value-initialization semantics of the default constructor
PiperOrigin-RevId: 345433064
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e55c9b4e7c578c1c4f2df65b1991041c283a97d9 by Chris Kennelly <ckennelly@google.com>:
Internal change
PiperOrigin-RevId: 345388181
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e2284c4e77ff1ebc3009e5bf520524c552226d8a by Chris Kennelly <ckennelly@google.com>:
Internal change
PiperOrigin-RevId: 345357514
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1c496a2ae07ce98578614155d63ef2ea4de5e518 by Chris Kennelly <ckennelly@google.com>:
Mark string lookup functions noexcept.
PiperOrigin-RevId: 345275012
GitOrigin-RevId: 8ebcdcac49f299156a8fd4a77501a258050960e8
Change-Id: I0ccb57d210b543270769e1378de38bf0922f8745
Diffstat (limited to 'absl/strings')
-rw-r--r-- | absl/strings/match.cc | 9 | ||||
-rw-r--r-- | absl/strings/match.h | 18 |
2 files changed, 18 insertions, 9 deletions
diff --git a/absl/strings/match.cc b/absl/strings/match.cc index 8127cb0c..2d672509 100644 --- a/absl/strings/match.cc +++ b/absl/strings/match.cc @@ -19,19 +19,22 @@ namespace absl { ABSL_NAMESPACE_BEGIN -bool EqualsIgnoreCase(absl::string_view piece1, absl::string_view piece2) { +bool EqualsIgnoreCase(absl::string_view piece1, + absl::string_view piece2) noexcept { return (piece1.size() == piece2.size() && 0 == absl::strings_internal::memcasecmp(piece1.data(), piece2.data(), piece1.size())); // memcasecmp uses absl::ascii_tolower(). } -bool StartsWithIgnoreCase(absl::string_view text, absl::string_view prefix) { +bool StartsWithIgnoreCase(absl::string_view text, + absl::string_view prefix) noexcept { return (text.size() >= prefix.size()) && EqualsIgnoreCase(text.substr(0, prefix.size()), prefix); } -bool EndsWithIgnoreCase(absl::string_view text, absl::string_view suffix) { +bool EndsWithIgnoreCase(absl::string_view text, + absl::string_view suffix) noexcept { return (text.size() >= suffix.size()) && EqualsIgnoreCase(text.substr(text.size() - suffix.size()), suffix); } diff --git a/absl/strings/match.h b/absl/strings/match.h index 90fca98a..6c822c26 100644 --- a/absl/strings/match.h +++ b/absl/strings/match.h @@ -43,14 +43,16 @@ ABSL_NAMESPACE_BEGIN // StrContains() // // Returns whether a given string `haystack` contains the substring `needle`. -inline bool StrContains(absl::string_view haystack, absl::string_view needle) { +inline bool StrContains(absl::string_view haystack, + absl::string_view needle) noexcept { return haystack.find(needle, 0) != haystack.npos; } // StartsWith() // // Returns whether a given string `text` begins with `prefix`. -inline bool StartsWith(absl::string_view text, absl::string_view prefix) { +inline bool StartsWith(absl::string_view text, + absl::string_view prefix) noexcept { return prefix.empty() || (text.size() >= prefix.size() && memcmp(text.data(), prefix.data(), prefix.size()) == 0); @@ -59,7 +61,8 @@ inline bool StartsWith(absl::string_view text, absl::string_view prefix) { // EndsWith() // // Returns whether a given string `text` ends with `suffix`. -inline bool EndsWith(absl::string_view text, absl::string_view suffix) { +inline bool EndsWith(absl::string_view text, + absl::string_view suffix) noexcept { return suffix.empty() || (text.size() >= suffix.size() && memcmp(text.data() + (text.size() - suffix.size()), suffix.data(), @@ -70,19 +73,22 @@ inline bool EndsWith(absl::string_view text, absl::string_view suffix) { // // Returns whether given ASCII strings `piece1` and `piece2` are equal, ignoring // case in the comparison. -bool EqualsIgnoreCase(absl::string_view piece1, absl::string_view piece2); +bool EqualsIgnoreCase(absl::string_view piece1, + absl::string_view piece2) noexcept; // StartsWithIgnoreCase() // // Returns whether a given ASCII string `text` starts with `prefix`, // ignoring case in the comparison. -bool StartsWithIgnoreCase(absl::string_view text, absl::string_view prefix); +bool StartsWithIgnoreCase(absl::string_view text, + absl::string_view prefix) noexcept; // EndsWithIgnoreCase() // // Returns whether a given ASCII string `text` ends with `suffix`, ignoring // case in the comparison. -bool EndsWithIgnoreCase(absl::string_view text, absl::string_view suffix); +bool EndsWithIgnoreCase(absl::string_view text, + absl::string_view suffix) noexcept; ABSL_NAMESPACE_END } // namespace absl |