Creation of LTS branch "lts_2018_12_18"20181200

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GitOrigin-RevId: 44b0fafc62d9b8f192e8180cbe9c4b806b339d57
Change-Id: I2c427b5b41b2d34101922048b00f3d9dafcb498d

1 files changed, 39 insertions, 38 deletions

diff --git a/absl/strings/str_split.h b/absl/strings/str_split.h
index b9f586b9..9483b30e 100644
--- a/absl/strings/str_split.h
+++ b/absl/strings/str_split.h
@@ -19,13 +19,13 @@
 //
 // This file contains functions for splitting strings. It defines the main
 // `StrSplit()` function, several delimiters for determining the boundaries on
-// which to split the std::string, and predicates for filtering delimited results.
+// which to split the string, and predicates for filtering delimited results.
 // `StrSplit()` adapts the returned collection to the type specified by the
 // caller.
 //
 // Example:
 //
-//   // Splits the given std::string on commas. Returns the results in a
+//   // Splits the given string on commas. Returns the results in a
 //   // vector of strings.
 //   std::vector<std::string> v = absl::StrSplit("a,b,c", ',');
 //   // Can also use ","
@@ -49,14 +49,14 @@
 #include "absl/strings/strip.h"
 
 namespace absl {
-inline namespace lts_2018_06_20 {
+inline namespace lts_2018_12_18 {
 
 //------------------------------------------------------------------------------
 // Delimiters
 //------------------------------------------------------------------------------
 //
 // `StrSplit()` uses delimiters to define the boundaries between elements in the
-// provided input. Several `Delimiter` types are defined below. If a std::string
+// provided input. Several `Delimiter` types are defined below. If a string
 // (`const char*`, `std::string`, or `absl::string_view`) is passed in place of
 // an explicit `Delimiter` object, `StrSplit()` treats it the same way as if it
 // were passed a `ByString` delimiter.
@@ -66,7 +66,7 @@ inline namespace lts_2018_06_20 {
 //
 // The following `Delimiter` types are available for use within `StrSplit()`:
 //
-//   - `ByString` (default for std::string arguments)
+//   - `ByString` (default for string arguments)
 //   - `ByChar` (default for a char argument)
 //   - `ByAnyChar`
 //   - `ByLength`
@@ -77,15 +77,15 @@ inline namespace lts_2018_06_20 {
 // be split and the position to begin searching for the next delimiter in the
 // input text. The returned absl::string_view should refer to the next
 // occurrence (after pos) of the represented delimiter; this returned
-// absl::string_view represents the next location where the input std::string should
+// absl::string_view represents the next location where the input string should
 // be broken. The returned absl::string_view may be zero-length if the Delimiter
-// does not represent a part of the std::string (e.g., a fixed-length delimiter). If
+// does not represent a part of the string (e.g., a fixed-length delimiter). If
 // no delimiter is found in the given text, a zero-length absl::string_view
 // referring to text.end() should be returned (e.g.,
 // absl::string_view(text.end(), 0)). It is important that the returned
 // absl::string_view always be within the bounds of input text given as an
-// argument--it must not refer to a std::string that is physically located outside of
-// the given std::string.
+// argument--it must not refer to a string that is physically located outside of
+// the given string.
 //
 // The following example is a simple Delimiter object that is created with a
 // single char and will look for that char in the text passed to the Find()
@@ -105,13 +105,13 @@ inline namespace lts_2018_06_20 {
 
 // ByString
 //
-// A sub-std::string delimiter. If `StrSplit()` is passed a std::string in place of a
-// `Delimiter` object, the std::string will be implicitly converted into a
+// A sub-string delimiter. If `StrSplit()` is passed a string in place of a
+// `Delimiter` object, the string will be implicitly converted into a
 // `ByString` delimiter.
 //
 // Example:
 //
-//   // Because a std::string literal is converted to an `absl::ByString`,
+//   // Because a string literal is converted to an `absl::ByString`,
 //   // the following two splits are equivalent.
 //
 //   std::vector<std::string> v1 = absl::StrSplit("a, b, c", ", ");
@@ -132,7 +132,7 @@ class ByString {
 // ByChar
 //
 // A single character delimiter. `ByChar` is functionally equivalent to a
-// 1-char std::string within a `ByString` delimiter, but slightly more
+// 1-char string within a `ByString` delimiter, but slightly more
 // efficient.
 //
 // Example:
@@ -165,9 +165,9 @@ class ByChar {
 // ByAnyChar
 //
 // A delimiter that will match any of the given byte-sized characters within
-// its provided std::string.
+// its provided string.
 //
-// Note: this delimiter works with single-byte std::string data, but does not work
+// Note: this delimiter works with single-byte string data, but does not work
 // with variable-width encodings, such as UTF-8.
 //
 // Example:
@@ -176,8 +176,8 @@ class ByChar {
 //   std::vector<std::string> v = absl::StrSplit("a,b=c", ByAnyChar(",="));
 //   // v[0] == "a", v[1] == "b", v[2] == "c"
 //
-// If `ByAnyChar` is given the empty std::string, it behaves exactly like
-// `ByString` and matches each individual character in the input std::string.
+// If `ByAnyChar` is given the empty string, it behaves exactly like
+// `ByString` and matches each individual character in the input string.
 //
 class ByAnyChar {
  public:
@@ -193,7 +193,7 @@ class ByAnyChar {
 // A delimiter for splitting into equal-length strings. The length argument to
 // the constructor must be greater than 0.
 //
-// Note: this delimiter works with single-byte std::string data, but does not work
+// Note: this delimiter works with single-byte string data, but does not work
 // with variable-width encodings, such as UTF-8.
 //
 // Example:
@@ -203,7 +203,7 @@ class ByAnyChar {
 
 //   // v[0] == "123", v[1] == "456", v[2] == "789"
 //
-// Note that the std::string does not have to be a multiple of the fixed split
+// Note that the string does not have to be a multiple of the fixed split
 // length. In such a case, the last substring will be shorter.
 //
 //   using absl::ByLength;
@@ -224,9 +224,9 @@ namespace strings_internal {
 // A traits-like metafunction for selecting the default Delimiter object type
 // for a particular Delimiter type. The base case simply exposes type Delimiter
 // itself as the delimiter's Type. However, there are specializations for
-// std::string-like objects that map them to the ByString delimiter object.
+// string-like objects that map them to the ByString delimiter object.
 // This allows functions like absl::StrSplit() and absl::MaxSplits() to accept
-// std::string-like objects (e.g., ',') as delimiter arguments but they will be
+// string-like objects (e.g., ',') as delimiter arguments but they will be
 // treated as if a ByString delimiter was given.
 template <typename Delimiter>
 struct SelectDelimiter {
@@ -262,7 +262,8 @@ class MaxSplitsImpl {
       : delimiter_(delimiter), limit_(limit), count_(0) {}
   absl::string_view Find(absl::string_view text, size_t pos) {
     if (count_++ == limit_) {
-      return absl::string_view(text.end(), 0);  // No more matches.
+      return absl::string_view(text.data() + text.size(),
+                               0);  // No more matches.
     }
     return delimiter_.Find(text, pos);
   }
@@ -332,7 +333,7 @@ struct AllowEmpty {
 // SkipEmpty()
 //
 // Returns `false` if the given `absl::string_view` is empty, indicating that
-// `StrSplit()` should omit the empty std::string.
+// `StrSplit()` should omit the empty string.
 //
 // Example:
 //
@@ -340,7 +341,7 @@ struct AllowEmpty {
 //
 //   // v[0] == "a", v[1] == "b"
 //
-// Note: `SkipEmpty()` does not consider a std::string containing only whitespace
+// Note: `SkipEmpty()` does not consider a string containing only whitespace
 // to be empty. To skip such whitespace as well, use the `SkipWhitespace()`
 // predicate.
 struct SkipEmpty {
@@ -350,7 +351,7 @@ struct SkipEmpty {
 // SkipWhitespace()
 //
 // Returns `false` if the given `absl::string_view` is empty *or* contains only
-// whitespace, indicating that `StrSplit()` should omit the std::string.
+// whitespace, indicating that `StrSplit()` should omit the string.
 //
 // Example:
 //
@@ -374,11 +375,11 @@ struct SkipWhitespace {
 
 // StrSplit()
 //
-// Splits a given `std::string` based on the provided `Delimiter` object,
-// returning the elements within the type specified by the caller. Optionally,
-// you may also pass a `Predicate` to `StrSplit()` indicating whether to include
-// or exclude the resulting element within the final result set. (See the
-// overviews for Delimiters and Predicates above.)
+// Splits a given string based on the provided `Delimiter` object, returning the
+// elements within the type specified by the caller. Optionally, you may pass a
+// `Predicate` to `StrSplit()` indicating whether to include or exclude the
+// resulting element within the final result set. (See the overviews for
+// Delimiters and Predicates above.)
 //
 // Example:
 //
@@ -413,7 +414,7 @@ struct SkipWhitespace {
 //
 // The `StrSplit()` function adapts the returned collection to the collection
 // specified by the caller (e.g. `std::vector` above). The returned collections
-// may contain `string`, `absl::string_view` (in which case the original std::string
+// may contain `string`, `absl::string_view` (in which case the original string
 // being split must ensure that it outlives the collection), or any object that
 // can be explicitly created from an `absl::string_view`. This behavior works
 // for:
@@ -425,7 +426,7 @@ struct SkipWhitespace {
 // Example:
 //
 //   // The results are returned as `absl::string_view` objects. Note that we
-//   // have to ensure that the input std::string outlives any results.
+//   // have to ensure that the input string outlives any results.
 //   std::vector<absl::string_view> v = absl::StrSplit("a,b,c", ',');
 //
 //   // Stores results in a std::set<std::string>, which also performs
@@ -445,7 +446,7 @@ struct SkipWhitespace {
 //   // is provided as a series of key/value pairs. For example, the 0th element
 //   // resulting from the split will be stored as a key to the 1st element. If
 //   // an odd number of elements are resolved, the last element is paired with
-//   // a default-constructed value (e.g., empty std::string).
+//   // a default-constructed value (e.g., empty string).
 //   std::map<std::string, std::string> m = absl::StrSplit("a,b,c", ',');
 //   // m["a"] == "b", m["c"] == ""     // last component value equals ""
 //
@@ -453,14 +454,14 @@ struct SkipWhitespace {
 // elements and is not a collection type. When splitting to a `std::pair` the
 // first two split strings become the `std::pair` `.first` and `.second`
 // members, respectively. The remaining split substrings are discarded. If there
-// are less than two split substrings, the empty std::string is used for the
+// are less than two split substrings, the empty string is used for the
 // corresponding
 // `std::pair` member.
 //
 // Example:
 //
 //   // Stores first two split strings as the members in a std::pair.
-//   std::pair<std::string, std::string> p = absl::StrSplit("a,b,c", ',');
+//   std::pair<string, string> p = absl::StrSplit("a,b,c", ',');
 //   // p.first == "a", p.second == "b"       // "c" is omitted.
 //
 // The `StrSplit()` function can be used multiple times to perform more
@@ -468,9 +469,9 @@ struct SkipWhitespace {
 //
 // Example:
 //
-//   // The input std::string "a=b=c,d=e,f=,g" becomes
+//   // The input string "a=b=c,d=e,f=,g" becomes
 //   // { "a" => "b=c", "d" => "e", "f" => "", "g" => "" }
-//   std::map<std::string, std::string> m;
+//   std::map<string, string> m;
 //   for (absl::string_view sp : absl::StrSplit("a=b=c,d=e,f=,g", ',')) {
 //     m.insert(absl::StrSplit(sp, absl::MaxSplits('=', 1)));
 //   }
@@ -507,7 +508,7 @@ StrSplit(strings_internal::ConvertibleToStringView text, Delimiter d,
       std::move(text), DelimiterType(d), std::move(p));
 }
 
-}  // inline namespace lts_2018_06_20
+}  // inline namespace lts_2018_12_18
 }  // namespace absl
 
 #endif  // ABSL_STRINGS_STR_SPLIT_H_