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jp: Only output colors when stdout is a TTY

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Linus Groh 2020-12-14 18:37:03 +00:00 committed by Andreas Kling
parent e68f4111ea
commit c07176bd53
Notes: sideshowbarker 2024-07-19 00:52:50 +09:00 
Author: https://github.com/linusg
Commit: https://github.com/SerenityOS/serenity/commit/c07176bd533
Pull-request: https://github.com/SerenityOS/serenity/pull/4413
1 changed files with 21 additions and 15 deletions
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36
Userland/jp.cpp
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@ -34,7 +34,7 @@
#include <stdio.h>
#include <unistd.h>
static void print(const JsonValue& value, int indent = 0);
static void print(const JsonValue& value, int indent = 0, bool use_color = true);
static void print_indent(int indent)
{
for (int i = 0; i < indent; ++i)
@ -73,20 +73,23 @@ int main(int argc, char** argv)
return 1;
}
print(json.value());
print(json.value(), 0, isatty(STDOUT_FILENO));
outln();
return 0;
}
void print(const JsonValue& value, int indent)
void print(const JsonValue& value, int indent, bool use_color)
{
if (value.is_object()) {
outln("{{");
value.as_object().for_each_member([&](auto& member_name, auto& member_value) {
print_indent(indent + 1);
out("\"\033[33;1m{}\033[0m\": ", member_name);
print(member_value, indent + 1);
if (use_color)
out("\"\033[33;1m{}\033[0m\": ", member_name);
else
out("\"{}\": ", member_name);
print(member_value, indent + 1, use_color);
outln(",");
});
print_indent(indent);
@ -97,25 +100,28 @@ void print(const JsonValue& value, int indent)
outln("[");
value.as_array().for_each([&](auto& entry_value) {
print_indent(indent + 1);
print(entry_value, indent + 1);
print(entry_value, indent + 1, use_color);
outln(",");
});
print_indent(indent);
out("]");
return;
}
if (value.is_string())
out("\033[31;1m");
else if (value.is_number())
out("\033[35;1m");
else if (value.is_bool())
out("\033[32;1m");
else if (value.is_null())
out("\033[34;1m");
if (use_color) {
if (value.is_string())
out("\033[31;1m");
else if (value.is_number())
out("\033[35;1m");
else if (value.is_bool())
out("\033[32;1m");
else if (value.is_null())
out("\033[34;1m");
}
if (value.is_string())
out("\"");
out("{}", value.to_string());
if (value.is_string())
out("\"");
out("\033[0m");
if (use_color)
out("\033[0m");
}