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Dump API docs from inline GDScript comments using --doctool --gdscrip…
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…t-docs PATH
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@dsnopek
dsnopek committed May 8, 2023
1 parent 26fb911 commit a64137d
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Showing 5 changed files with 95 additions and 19 deletions.
1 change: 1 addition & 0 deletions core/doc_data.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -165,6 +165,7 @@ void DocData::method_doc_from_methodinfo(DocData::MethodDoc &p_method, const Met
void DocData::constant_doc_from_variant(DocData::ConstantDoc &p_const, const StringName &p_name, const Variant &p_value, const String &p_desc) {
p_const.name = p_name;
p_const.value = p_value;
p_const.is_value_valid = (p_value.get_type() != Variant::OBJECT);
p_const.description = p_desc;
}

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39 changes: 21 additions & 18 deletions editor/doc_tools.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1406,7 +1406,7 @@ static void _write_method_doc(Ref<FileAccess> f, const String &p_name, Vector<Do
if (!m.return_enum.is_empty()) {
enum_text = " enum=\"" + m.return_enum + "\"";
}
_write_string(f, 3, "<return type=\"" + m.return_type + "\"" + enum_text + " />");
_write_string(f, 3, "<return type=\"" + m.return_type.xml_escape(true) + "\"" + enum_text + " />");
}
if (m.errors_returned.size() > 0) {
for (int j = 0; j < m.errors_returned.size(); j++) {
Expand All @@ -1423,9 +1423,9 @@ static void _write_method_doc(Ref<FileAccess> f, const String &p_name, Vector<Do
}

if (!a.default_value.is_empty()) {
_write_string(f, 3, "<param index=\"" + itos(j) + "\" name=\"" + a.name.xml_escape() + "\" type=\"" + a.type.xml_escape() + "\"" + enum_text + " default=\"" + a.default_value.xml_escape(true) + "\" />");
_write_string(f, 3, "<param index=\"" + itos(j) + "\" name=\"" + a.name.xml_escape() + "\" type=\"" + a.type.xml_escape(true) + "\"" + enum_text + " default=\"" + a.default_value.xml_escape(true) + "\" />");
} else {
_write_string(f, 3, "<param index=\"" + itos(j) + "\" name=\"" + a.name.xml_escape() + "\" type=\"" + a.type.xml_escape() + "\"" + enum_text + " />");
_write_string(f, 3, "<param index=\"" + itos(j) + "\" name=\"" + a.name.xml_escape() + "\" type=\"" + a.type.xml_escape(true) + "\"" + enum_text + " />");
}
}

Expand All @@ -1440,7 +1440,7 @@ static void _write_method_doc(Ref<FileAccess> f, const String &p_name, Vector<Do
}
}

Error DocTools::save_classes(const String &p_default_path, const HashMap<String, String> &p_class_path) {
Error DocTools::save_classes(const String &p_default_path, const HashMap<String, String> &p_class_path, bool p_include_xml_schema) {
for (KeyValue<String, DocData::ClassDoc> &E : class_list) {
DocData::ClassDoc &c = E.value;

Expand All @@ -1452,16 +1452,16 @@ Error DocTools::save_classes(const String &p_default_path, const HashMap<String,
}

Error err;
String save_file = save_path.path_join(c.name + ".xml");
String save_file = save_path.path_join(c.name.replace("\"", "").replace("/", "--") + ".xml");
Ref<FileAccess> f = FileAccess::open(save_file, FileAccess::WRITE, &err);

ERR_CONTINUE_MSG(err != OK, "Can't write doc file: " + save_file + ".");

_write_string(f, 0, "<?xml version=\"1.0\" encoding=\"UTF-8\" ?>");

String header = "<class name=\"" + c.name + "\"";
String header = "<class name=\"" + c.name.xml_escape(true) + "\"";
if (!c.inherits.is_empty()) {
header += " inherits=\"" + c.inherits + "\"";
header += " inherits=\"" + c.inherits.xml_escape(true) + "\"";
if (c.is_deprecated) {
header += " is_deprecated=\"true\"";
}
Expand All @@ -1470,12 +1470,15 @@ Error DocTools::save_classes(const String &p_default_path, const HashMap<String,
}
}
header += String(" version=\"") + VERSION_BRANCH + "\"";
// Reference the XML schema so editors can provide error checking.
// Modules are nested deep, so change the path to reference the same schema everywhere.
const String schema_path = save_path.find("modules/") != -1 ? "../../../doc/class.xsd" : "../class.xsd";
header += vformat(
R"( xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="%s">)",
schema_path);
if (p_include_xml_schema) {
// Reference the XML schema so editors can provide error checking.
// Modules are nested deep, so change the path to reference the same schema everywhere.
const String schema_path = save_path.find("modules/") != -1 ? "../../../doc/class.xsd" : "../class.xsd";
header += vformat(
R"( xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="%s")",
schema_path);
}
header += ">";
_write_string(f, 0, header);

_write_string(f, 1, "<brief_description>");
Expand Down Expand Up @@ -1521,9 +1524,9 @@ Error DocTools::save_classes(const String &p_default_path, const HashMap<String,
const DocData::PropertyDoc &p = c.properties[i];

if (c.properties[i].overridden) {
_write_string(f, 2, "<member name=\"" + p.name + "\" type=\"" + p.type + "\" setter=\"" + p.setter + "\" getter=\"" + p.getter + "\" overrides=\"" + p.overrides + "\"" + additional_attributes + " />");
_write_string(f, 2, "<member name=\"" + p.name + "\" type=\"" + p.type.xml_escape(true) + "\" setter=\"" + p.setter + "\" getter=\"" + p.getter + "\" overrides=\"" + p.overrides + "\"" + additional_attributes + " />");
} else {
_write_string(f, 2, "<member name=\"" + p.name + "\" type=\"" + p.type + "\" setter=\"" + p.setter + "\" getter=\"" + p.getter + "\"" + additional_attributes + ">");
_write_string(f, 2, "<member name=\"" + p.name + "\" type=\"" + p.type.xml_escape(true) + "\" setter=\"" + p.setter + "\" getter=\"" + p.getter + "\"" + additional_attributes + ">");
_write_string(f, 3, _translate_doc_string(p.description).strip_edges().xml_escape());
_write_string(f, 2, "</member>");
}
Expand All @@ -1549,12 +1552,12 @@ Error DocTools::save_classes(const String &p_default_path, const HashMap<String,
if (k.is_value_valid) {
if (!k.enumeration.is_empty()) {
if (k.is_bitfield) {
_write_string(f, 2, "<constant name=\"" + k.name + "\" value=\"" + k.value + "\" enum=\"" + k.enumeration + "\" is_bitfield=\"true\"" + additional_attributes + ">");
_write_string(f, 2, "<constant name=\"" + k.name + "\" value=\"" + k.value.xml_escape(true) + "\" enum=\"" + k.enumeration + "\" is_bitfield=\"true\"" + additional_attributes + ">");
} else {
_write_string(f, 2, "<constant name=\"" + k.name + "\" value=\"" + k.value + "\" enum=\"" + k.enumeration + "\"" + additional_attributes + ">");
_write_string(f, 2, "<constant name=\"" + k.name + "\" value=\"" + k.value.xml_escape(true) + "\" enum=\"" + k.enumeration + "\"" + additional_attributes + ">");
}
} else {
_write_string(f, 2, "<constant name=\"" + k.name + "\" value=\"" + k.value + "\"" + additional_attributes + ">");
_write_string(f, 2, "<constant name=\"" + k.name + "\" value=\"" + k.value.xml_escape(true) + "\"" + additional_attributes + ">");
}
} else {
if (!k.enumeration.is_empty()) {
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2 changes: 1 addition & 1 deletion editor/doc_tools.h
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Original file line number Diff line number Diff line change
Expand Up @@ -47,7 +47,7 @@ class DocTools {
bool has_doc(const String &p_class_name);
void generate(bool p_basic_types = false);
Error load_classes(const String &p_dir);
Error save_classes(const String &p_default_path, const HashMap<String, String> &p_class_path);
Error save_classes(const String &p_default_path, const HashMap<String, String> &p_class_path, bool p_include_xml_schema = true);

Error _load(Ref<XMLParser> parser);
Error load_compressed(const uint8_t *p_data, int p_compressed_size, int p_uncompressed_size);
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71 changes: 71 additions & 0 deletions main/main.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -113,6 +113,10 @@
#include "modules/mono/editor/bindings_generator.h"
#endif

#ifdef MODULE_GDSCRIPT_ENABLED
#include "modules/gdscript/gdscript.h"
#endif

/* Static members */

// Singletons
Expand Down Expand Up @@ -249,6 +253,31 @@ static String get_full_version_string() {
return String(VERSION_FULL_BUILD) + hash;
}

#if defined(TOOLS_ENABLED) && defined(MODULE_GDSCRIPT_ENABLED)
static Vector<String> get_files_with_extension(const String &p_root, const String &p_extension) {
Vector<String> paths;

Ref<DirAccess> dir = DirAccess::open(p_root);
if (dir.is_valid()) {
dir->list_dir_begin();
String fn = dir->get_next();
while (!fn.is_empty()) {
if (!dir->current_is_hidden() && fn != "." && fn != "..") {
if (dir->current_is_dir()) {
paths.append_array(get_files_with_extension(p_root.path_join(fn), p_extension));
} else if (fn.get_extension() == p_extension) {
paths.append(p_root.path_join(fn));
}
}
fn = dir->get_next();
}
dir->list_dir_end();
}

return paths;
}
#endif

// FIXME: Could maybe be moved to have less code in main.cpp.
void initialize_physics() {
/// 3D Physics Server
Expand Down Expand Up @@ -457,6 +486,9 @@ void Main::print_help(const char *p_binary) {
#endif // DISABLE_DEPRECATED
OS::get_singleton()->print(" --doctool [<path>] Dump the engine API reference to the given <path> (defaults to current dir) in XML format, merging if existing files are found.\n");
OS::get_singleton()->print(" --no-docbase Disallow dumping the base types (used with --doctool).\n");
#ifdef MODULE_GDSCRIPT_ENABLED
OS::get_singleton()->print(" --gdscript-docs <path> Rather than dumping the engine API, generate API reference from the inline documentation in the GDScript files found in <path> (used with --doctool).\n");
#endif
OS::get_singleton()->print(" --build-solutions Build the scripting solutions (e.g. for C# projects). Implies --editor and requires a valid project to edit.\n");
OS::get_singleton()->print(" --dump-gdextension-interface Generate GDExtension header file 'gdextension_interface.h' in the current folder. This file is the base file required to implement a GDExtension.\n");
OS::get_singleton()->print(" --dump-extension-api Generate JSON dump of the Godot API for GDExtension bindings named 'extension_api.json' in the current folder.\n");
Expand Down Expand Up @@ -2470,6 +2502,9 @@ bool Main::start() {
String _export_preset;
bool export_debug = false;
bool export_pack_only = false;
#ifdef MODULE_GDSCRIPT_ENABLED
String gdscript_docs_path;
#endif
#ifndef DISABLE_DEPRECATED
bool converting_project = false;
bool validating_converting_project = false;
Expand Down Expand Up @@ -2530,6 +2565,10 @@ bool Main::start() {
doc_tool_path = ".";
parsed_pair = false;
}
#ifdef MODULE_GDSCRIPT_ENABLED
} else if (args[i] == "--gdscript-docs") {
gdscript_docs_path = args[i + 1];
#endif
} else if (args[i] == "--export-release") {
editor = true; //needs editor
_export_preset = args[i + 1];
Expand Down Expand Up @@ -2561,6 +2600,38 @@ bool Main::start() {
uint64_t minimum_time_msec = GLOBAL_DEF(PropertyInfo(Variant::INT, "application/boot_splash/minimum_display_time", PROPERTY_HINT_RANGE, "0,100,1,or_greater,suffix:ms"), 0);

#ifdef TOOLS_ENABLED
#ifdef MODULE_GDSCRIPT_ENABLED
if (!doc_tool_path.is_empty() && !gdscript_docs_path.is_empty()) {
DocTools docs;
Error err;

Vector<String> paths = get_files_with_extension(gdscript_docs_path, "gd");
ERR_FAIL_COND_V_MSG(paths.size() == 0, false, "Couldn't find any GDScript files under the given directory: " + gdscript_docs_path);

for (const String &path : paths) {
Ref<GDScript> gdscript = ResourceLoader::load(path);
for (const DocData::ClassDoc &class_doc : gdscript->get_documentation()) {
docs.add_doc(class_doc);
}
}

if (doc_tool_path == ".") {
doc_tool_path = "./docs";
}

Ref<DirAccess> da = DirAccess::create_for_path(doc_tool_path);
err = da->make_dir_recursive(doc_tool_path);
ERR_FAIL_COND_V_MSG(err != OK, false, "Error: Can't create GDScript docs directory: " + doc_tool_path + ": " + itos(err));

HashMap<String, String> doc_data_classes;
err = docs.save_classes(doc_tool_path, doc_data_classes, false);
ERR_FAIL_COND_V_MSG(err != OK, false, "Error saving GDScript docs:" + itos(err));

OS::get_singleton()->set_exit_code(EXIT_SUCCESS);
return false;
}
#endif // MODULE_GDSCRIPT_ENABLED

if (!doc_tool_path.is_empty()) {
// Needed to instance editor-only classes for their default values
Engine::get_singleton()->set_editor_hint(true);
Expand Down
1 change: 1 addition & 0 deletions modules/gdscript/editor/gdscript_docgen.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -239,6 +239,7 @@ void GDScriptDocGen::generate_docs(GDScript *p_script, const GDP::ClassNode *p_c
DocData::ConstantDoc const_doc;
const_doc.name = val.identifier->name;
const_doc.value = String(Variant(val.value));
const_doc.is_value_valid = true;
const_doc.description = val.doc_description;
const_doc.enumeration = name;

Expand Down

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