Add `search --graph` option
This functionality should eventually be moved elsewhere
MODIFY
src/commands_search.cpp
src/commands_search.cpp
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)
{
std::vector<SourceParagraph> output;
@@ -25,9 +62,7 @@ namespace vcpkg::Commands::Search
auto srcpgh = SourceParagraph(pghs[0]);
output.push_back(srcpgh);
}
- catch (std::runtime_error const&)
- {
- }
+ catch (std::runtime_error const&) { }
}
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",
Commands::Help::create_example_string("search png"));
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);
+ 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)
{

Add `search --graph` option

This functionality should eventually be moved elsewhere