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Refactor: introduce explicit multiline control

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Instead of depending on indent_step
This commit is contained in:
Evan Driscoll 2018-06-02 23:48:26 -05:00
parent 5e10e97296
commit af8dd92a0c
3 changed files with 17 additions and 4 deletions
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6
include/nlohmann/detail/output/fancy_serializer.hpp
View File

@ -33,6 +33,8 @@ struct fancy_serializer_style
unsigned int depth_limit = std::numeric_limits<unsigned>::max();
unsigned int strings_maximum_length = 0;
bool multiline = false;
};
template<typename BasicJsonType>
@ -242,7 +244,7 @@ class fancy_serializer
{
indent_string.resize(indent_string.size() * 2, active_style->indent_char);
}
const int newline_len = (active_style->indent_step > 0);
const int newline_len = (active_style->multiline ? 1 : 0);
o->write_characters("{\n", 1 + newline_len);
@ -287,7 +289,7 @@ class fancy_serializer
{
indent_string.resize(indent_string.size() * 2, active_style->indent_char);
}
const int newline_len = (active_style->indent_step > 0);
const int newline_len = (active_style->multiline ? 1 : 0);
o->write_characters("[\n", 1 + newline_len);

6
single_include/nlohmann/json.hpp
View File

@ -10103,6 +10103,8 @@ struct fancy_serializer_style
unsigned int depth_limit = std::numeric_limits<unsigned>::max();
unsigned int strings_maximum_length = 0;
bool multiline = false;
};
template<typename BasicJsonType>
@ -10312,7 +10314,7 @@ class fancy_serializer
{
indent_string.resize(indent_string.size() * 2, active_style->indent_char);
}
const int newline_len = (active_style->indent_step > 0);
const int newline_len = (active_style->multiline ? 1 : 0);
o->write_characters("{\n", 1 + newline_len);
@ -10357,7 +10359,7 @@ class fancy_serializer
{
indent_string.resize(indent_string.size() * 2, active_style->indent_char);
}
const int newline_len = (active_style->indent_step > 0);
const int newline_len = (active_style->multiline ? 1 : 0);
o->write_characters("[\n", 1 + newline_len);

9
test/src/unit-fancy-serialization.cpp
View File

@ -202,6 +202,7 @@ TEST_CASE("serialization")
CHECK(str_flat == "[1,[...]]");
style.indent_step = 4;
style.multiline = true;
auto str_lines = fancy_to_string({1, {1}}, style);
CHECK(str_lines == dedent(R"(
[
@ -219,6 +220,7 @@ TEST_CASE("serialization")
CHECK(str_flat == "[1,{...}]");
style.indent_step = 4;
style.multiline = true;
auto str_lines = fancy_to_string({1, {{"one", 1}}}, style);
CHECK(str_lines == dedent(R"(
[
@ -234,7 +236,9 @@ TEST_CASE("serialization")
{
fancy_serializer_stylizer stylizer;
stylizer.get_default_style().indent_step = 4;
stylizer.get_default_style().multiline = true;
stylizer.get_or_insert_style("one line").indent_step = 0;
stylizer.get_or_insert_style("one line").multiline = false;
auto str = fancy_to_string(
{
@ -261,6 +265,7 @@ TEST_CASE("serialization")
{
fancy_serializer_stylizer stylizer;
stylizer.get_default_style().indent_step = 4;
stylizer.get_default_style().multiline = 4;
stylizer.get_or_insert_style("one line").indent_step = 0;
auto str = fancy_to_string(
@ -282,6 +287,7 @@ TEST_CASE("serialization")
{
fancy_serializer_style style;
style.indent_step = 4;
style.multiline = 4;
auto str = fancy_to_string({"foo", 1, 2, 3, false, {{"one", 1}}}, style);
CHECK(str == dedent(R"(
[
@ -301,6 +307,7 @@ TEST_CASE("serialization")
fancy_serializer_style style;
style.indent_step = 1;
style.indent_char = '\t';
style.multiline = true;
auto str = fancy_to_string({"foo", 1, 2, 3, false, {{"one", 1}}}, style);
CHECK(str ==
@ -322,6 +329,7 @@ TEST_CASE("serialization")
fancy_serializer_style style;
style.indent_step = 300;
style.indent_char = 'X';
style.multiline = true;
auto str = fancy_to_string({1, {1}}, style);
@ -340,6 +348,7 @@ TEST_CASE("serialization")
fancy_serializer_style style;
style.indent_step = 300;
style.indent_char = 'X';
style.multiline = true;
auto str = fancy_to_string({{"key", {{"key", 1}}}}, style);