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Add search --graph option

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This functionality should eventually be moved elsewhere
This commit is contained in:
Alexander Karatarakis 2017-02-21 17:32:10 -08:00
parent d2ed1d9215
commit de288d5a4c
1 changed files with 45 additions and 4 deletions
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49
toolsrc/src/commands_search.cpp
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@ -7,6 +7,43 @@
namespace vcpkg::Commands::Search namespace vcpkg::Commands::Search
{ {
static const std::string OPTION_GRAPH = "--graph"; //TODO: This should find a better home, eventually
static std::string replace_dashes_with_underscore(const std::string& input)
{
std::string output = input;
std::replace(output.begin(), output.end(), '-', '_');
return output;
}
static std::string create_graph_as_string(const std::vector<SourceParagraph>& source_paragraphs)
{
int empty_node_count = 0;
std::string s;
s.append("digraph G{ rankdir=LR; edge [minlen=3]; overlap=false;");
for (const SourceParagraph& source_paragraph : source_paragraphs)
{
if (source_paragraph.depends.empty())
{
empty_node_count++;
continue;
}
const std::string name = replace_dashes_with_underscore(source_paragraph.name);
s.append(Strings::format("%s;", name));
for (const dependency& d : source_paragraph.depends)
{
const std::string dependency_name = replace_dashes_with_underscore(d.name);
s.append(Strings::format("%s -> %s;", name, dependency_name));
}
}
s.append(Strings::format("empty [label=\"%d singletons...\"]; }", empty_node_count));
return s;
}
static std::vector<SourceParagraph> read_all_source_paragraphs(const vcpkg_paths& paths) static std::vector<SourceParagraph> read_all_source_paragraphs(const vcpkg_paths& paths)
{ {
std::vector<SourceParagraph> output; std::vector<SourceParagraph> output;
@ -25,9 +62,7 @@ namespace vcpkg::Commands::Search
auto srcpgh = SourceParagraph(pghs[0]); auto srcpgh = SourceParagraph(pghs[0]);
output.push_back(srcpgh); output.push_back(srcpgh);
} }
catch (std::runtime_error const&) catch (std::runtime_error const&) { }
{
}
} }
return output; return output;
@ -46,9 +81,15 @@ namespace vcpkg::Commands::Search
static const std::string example = Strings::format("The argument should be a substring to search for, or no argument to display all libraries.\n%s", static const std::string example = Strings::format("The argument should be a substring to search for, or no argument to display all libraries.\n%s",
Commands::Help::create_example_string("search png")); Commands::Help::create_example_string("search png"));
args.check_max_arg_count(1, example); args.check_max_arg_count(1, example);
args.check_and_get_optional_command_arguments({}); const std::unordered_set<std::string> options = args.check_and_get_optional_command_arguments({ OPTION_GRAPH });
const std::vector<SourceParagraph> source_paragraphs = read_all_source_paragraphs(paths); const std::vector<SourceParagraph> source_paragraphs = read_all_source_paragraphs(paths);
if (options.find(OPTION_GRAPH) != options.cend())
{
const std::string graph_as_string = create_graph_as_string(source_paragraphs);
System::println(graph_as_string);
exit(EXIT_SUCCESS);
}
if (args.command_arguments.size() == 0) if (args.command_arguments.size() == 0)
{ {