extension.cc
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1 //
2 // Copyright 2017 The Abseil Authors.
3 //
4 // Licensed under the Apache License, Version 2.0 (the "License");
5 // you may not use this file except in compliance with the License.
6 // You may obtain a copy of the License at
7 //
8 // https://www.apache.org/licenses/LICENSE-2.0
9 //
10 // Unless required by applicable law or agreed to in writing, software
11 // distributed under the License is distributed on an "AS IS" BASIS,
12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 // See the License for the specific language governing permissions and
14 // limitations under the License.
15 
17 
18 #include <errno.h>
19 #include <algorithm>
20 #include <string>
21 
22 namespace absl {
23 namespace str_format_internal {
24 namespace {
25 // clang-format off
26 #define ABSL_LENGTH_MODS_EXPAND_ \
27  X_VAL(h) X_SEP \
28  X_VAL(hh) X_SEP \
29  X_VAL(l) X_SEP \
30  X_VAL(ll) X_SEP \
31  X_VAL(L) X_SEP \
32  X_VAL(j) X_SEP \
33  X_VAL(z) X_SEP \
34  X_VAL(t) X_SEP \
35  X_VAL(q)
36 // clang-format on
37 } // namespace
38 
39 const LengthMod::Spec LengthMod::kSpecs[] = {
40 #define X_VAL(id) { LengthMod::id, #id, strlen(#id) }
41 #define X_SEP ,
43 #undef X_VAL
44 #undef X_SEP
45 };
46 
47 const ConversionChar::Spec ConversionChar::kSpecs[] = {
48 #define X_VAL(id) { ConversionChar::id, #id[0] }
49 #define X_SEP ,
51  {ConversionChar::none, '\0'},
52 #undef X_VAL
53 #undef X_SEP
54 };
55 
57  std::string s;
58  s.append(left ? "-" : "");
59  s.append(show_pos ? "+" : "");
60  s.append(sign_col ? " " : "");
61  s.append(alt ? "#" : "");
62  s.append(zero ? "0" : "");
63  return s;
64 }
65 
66 const size_t LengthMod::kNumValues;
67 
68 const size_t ConversionChar::kNumValues;
69 
70 bool FormatSinkImpl::PutPaddedString(string_view v, int w, int p, bool l) {
71  size_t space_remaining = 0;
72  if (w >= 0) space_remaining = w;
73  size_t n = v.size();
74  if (p >= 0) n = std::min(n, static_cast<size_t>(p));
75  string_view shown(v.data(), n);
76  space_remaining = Excess(shown.size(), space_remaining);
77  if (!l) Append(space_remaining, ' ');
78  Append(shown);
79  if (l) Append(space_remaining, ' ');
80  return true;
81 }
82 
83 } // namespace str_format_internal
84 } // namespace absl
int v
Definition: variant_test.cc:81
static const size_t kNumValues
Definition: extension.h:144
#define ABSL_CONVERSION_CHARS_EXPAND_(X_VAL, X_SEP)
Definition: extension.h:188
bool PutPaddedString(string_view v, int w, int p, bool l)
Definition: extension.cc:70
Definition: algorithm.h:29
#define X_VAL(id)
constexpr size_type size() const noexcept
Definition: string_view.h:260
#define ABSL_LENGTH_MODS_EXPAND_
Definition: extension.cc:26
size_t Excess(size_t used, size_t capacity)
Definition: extension.h:403
std::string ToString() const
Definition: extension.cc:56
#define X_SEP
constexpr const_pointer data() const noexcept
Definition: string_view.h:302
static char * Append(char *out, const AlphaNum &x)
Definition: str_cat.cc:88


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autogenerated on Tue Jun 18 2019 19:44:36