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Diffstat (limited to 'doc/tools/make_rst.py')
| -rwxr-xr-x | doc/tools/make_rst.py | 1143 |
1 files changed, 1143 insertions, 0 deletions
diff --git a/doc/tools/make_rst.py b/doc/tools/make_rst.py new file mode 100755 index 0000000000..ad9e5f4897 --- /dev/null +++ b/doc/tools/make_rst.py @@ -0,0 +1,1143 @@ +#!/usr/bin/env python3 + +# This script makes RST files from the XML class reference for use with the online docs. + +import argparse +import os +import re +import xml.etree.ElementTree as ET +from collections import OrderedDict + +# Uncomment to do type checks. I have it commented out so it works below Python 3.5 +# from typing import List, Dict, TextIO, Tuple, Iterable, Optional, DefaultDict, Any, Union + +# http(s)://docs.godotengine.org/<langcode>/<tag>/path/to/page.html(#fragment-tag) +GODOT_DOCS_PATTERN = re.compile( + r"^http(?:s)?://docs\.godotengine\.org/(?:[a-zA-Z0-9.\-_]*)/(?:[a-zA-Z0-9.\-_]*)/(.*)\.html(#.*)?$" +) + + +def print_error(error, state): # type: (str, State) -> None + print("ERROR: {}".format(error)) + state.errored = True + + +class TypeName: + def __init__(self, type_name, enum=None): # type: (str, Optional[str]) -> None + self.type_name = type_name + self.enum = enum + + def to_rst(self, state): # type: ("State") -> str + if self.enum is not None: + return make_enum(self.enum, state) + elif self.type_name == "void": + return "void" + else: + return make_type(self.type_name, state) + + @classmethod + def from_element(cls, element): # type: (ET.Element) -> "TypeName" + return cls(element.attrib["type"], element.get("enum")) + + +class PropertyDef: + def __init__( + self, name, type_name, setter, getter, text, default_value, overridden + ): # type: (str, TypeName, Optional[str], Optional[str], Optional[str], Optional[str], Optional[bool]) -> None + self.name = name + self.type_name = type_name + self.setter = setter + self.getter = getter + self.text = text + self.default_value = default_value + self.overridden = overridden + + +class ParameterDef: + def __init__(self, name, type_name, default_value): # type: (str, TypeName, Optional[str]) -> None + self.name = name + self.type_name = type_name + self.default_value = default_value + + +class SignalDef: + def __init__(self, name, parameters, description): # type: (str, List[ParameterDef], Optional[str]) -> None + self.name = name + self.parameters = parameters + self.description = description + + +class MethodDef: + def __init__( + self, name, return_type, parameters, description, qualifiers + ): # type: (str, TypeName, List[ParameterDef], Optional[str], Optional[str]) -> None + self.name = name + self.return_type = return_type + self.parameters = parameters + self.description = description + self.qualifiers = qualifiers + + +class ConstantDef: + def __init__(self, name, value, text): # type: (str, str, Optional[str]) -> None + self.name = name + self.value = value + self.text = text + + +class EnumDef: + def __init__(self, name): # type: (str) -> None + self.name = name + self.values = OrderedDict() # type: OrderedDict[str, ConstantDef] + + +class ThemeItemDef: + def __init__( + self, name, type_name, data_name, text, default_value + ): # type: (str, TypeName, str, Optional[str], Optional[str]) -> None + self.name = name + self.type_name = type_name + self.data_name = data_name + self.text = text + self.default_value = default_value + + +class ClassDef: + def __init__(self, name): # type: (str) -> None + self.name = name + self.constants = OrderedDict() # type: OrderedDict[str, ConstantDef] + self.enums = OrderedDict() # type: OrderedDict[str, EnumDef] + self.properties = OrderedDict() # type: OrderedDict[str, PropertyDef] + self.methods = OrderedDict() # type: OrderedDict[str, List[MethodDef]] + self.signals = OrderedDict() # type: OrderedDict[str, SignalDef] + self.theme_items = OrderedDict() # type: OrderedDict[str, ThemeItemDef] + self.inherits = None # type: Optional[str] + self.brief_description = None # type: Optional[str] + self.description = None # type: Optional[str] + self.tutorials = [] # type: List[Tuple[str, str]] + + # Used to match the class with XML source for output filtering purposes. + self.filepath = "" # type: str + + +class State: + def __init__(self): # type: () -> None + # Has any error been reported? + self.errored = False + self.classes = OrderedDict() # type: OrderedDict[str, ClassDef] + self.current_class = "" # type: str + + def parse_class(self, class_root, filepath): # type: (ET.Element, str) -> None + class_name = class_root.attrib["name"] + + class_def = ClassDef(class_name) + self.classes[class_name] = class_def + class_def.filepath = filepath + + inherits = class_root.get("inherits") + if inherits is not None: + class_def.inherits = inherits + + brief_desc = class_root.find("brief_description") + if brief_desc is not None and brief_desc.text: + class_def.brief_description = brief_desc.text + + desc = class_root.find("description") + if desc is not None and desc.text: + class_def.description = desc.text + + properties = class_root.find("members") + if properties is not None: + for property in properties: + assert property.tag == "member" + + property_name = property.attrib["name"] + if property_name in class_def.properties: + print_error("Duplicate property '{}', file: {}".format(property_name, class_name), self) + continue + + type_name = TypeName.from_element(property) + setter = property.get("setter") or None # Use or None so '' gets turned into None. + getter = property.get("getter") or None + default_value = property.get("default") or None + if default_value is not None: + default_value = "``{}``".format(default_value) + overridden = property.get("override") or False + + property_def = PropertyDef( + property_name, type_name, setter, getter, property.text, default_value, overridden + ) + class_def.properties[property_name] = property_def + + methods = class_root.find("methods") + if methods is not None: + for method in methods: + assert method.tag == "method" + + method_name = method.attrib["name"] + qualifiers = method.get("qualifiers") + + return_element = method.find("return") + if return_element is not None: + return_type = TypeName.from_element(return_element) + + else: + return_type = TypeName("void") + + params = parse_arguments(method) + + desc_element = method.find("description") + method_desc = None + if desc_element is not None: + method_desc = desc_element.text + + method_def = MethodDef(method_name, return_type, params, method_desc, qualifiers) + if method_name not in class_def.methods: + class_def.methods[method_name] = [] + + class_def.methods[method_name].append(method_def) + + constants = class_root.find("constants") + if constants is not None: + for constant in constants: + assert constant.tag == "constant" + + constant_name = constant.attrib["name"] + value = constant.attrib["value"] + enum = constant.get("enum") + constant_def = ConstantDef(constant_name, value, constant.text) + if enum is None: + if constant_name in class_def.constants: + print_error("Duplicate constant '{}', file: {}".format(constant_name, class_name), self) + continue + + class_def.constants[constant_name] = constant_def + + else: + if enum in class_def.enums: + enum_def = class_def.enums[enum] + + else: + enum_def = EnumDef(enum) + class_def.enums[enum] = enum_def + + enum_def.values[constant_name] = constant_def + + signals = class_root.find("signals") + if signals is not None: + for signal in signals: + assert signal.tag == "signal" + + signal_name = signal.attrib["name"] + + if signal_name in class_def.signals: + print_error("Duplicate signal '{}', file: {}".format(signal_name, class_name), self) + continue + + params = parse_arguments(signal) + + desc_element = signal.find("description") + signal_desc = None + if desc_element is not None: + signal_desc = desc_element.text + + signal_def = SignalDef(signal_name, params, signal_desc) + class_def.signals[signal_name] = signal_def + + theme_items = class_root.find("theme_items") + if theme_items is not None: + for theme_item in theme_items: + assert theme_item.tag == "theme_item" + + theme_item_name = theme_item.attrib["name"] + theme_item_data_name = theme_item.attrib["data_type"] + theme_item_id = "{}_{}".format(theme_item_data_name, theme_item_name) + if theme_item_id in class_def.theme_items: + print_error( + "Duplicate theme property '{}' of type '{}', file: {}".format( + theme_item_name, theme_item_data_name, class_name + ), + self, + ) + continue + + default_value = theme_item.get("default") or None + if default_value is not None: + default_value = "``{}``".format(default_value) + + theme_item_def = ThemeItemDef( + theme_item_name, + TypeName.from_element(theme_item), + theme_item_data_name, + theme_item.text, + default_value, + ) + class_def.theme_items[theme_item_id] = theme_item_def + + tutorials = class_root.find("tutorials") + if tutorials is not None: + for link in tutorials: + assert link.tag == "link" + + if link.text is not None: + class_def.tutorials.append((link.text.strip(), link.get("title", ""))) + + def sort_classes(self): # type: () -> None + self.classes = OrderedDict(sorted(self.classes.items(), key=lambda t: t[0])) + + +def parse_arguments(root): # type: (ET.Element) -> List[ParameterDef] + param_elements = root.findall("argument") + params = [None] * len(param_elements) # type: Any + for param_element in param_elements: + param_name = param_element.attrib["name"] + index = int(param_element.attrib["index"]) + type_name = TypeName.from_element(param_element) + default = param_element.get("default") + + params[index] = ParameterDef(param_name, type_name, default) + + cast = params # type: List[ParameterDef] + + return cast + + +def main(): # type: () -> None + parser = argparse.ArgumentParser() + parser.add_argument("path", nargs="+", help="A path to an XML file or a directory containing XML files to parse.") + parser.add_argument("--filter", default="", help="The filepath pattern for XML files to filter.") + group = parser.add_mutually_exclusive_group() + group.add_argument("--output", "-o", default=".", help="The directory to save output .rst files in.") + group.add_argument( + "--dry-run", + action="store_true", + help="If passed, no output will be generated and XML files are only checked for errors.", + ) + args = parser.parse_args() + + print("Checking for errors in the XML class reference...") + + file_list = [] # type: List[str] + + for path in args.path: + # Cut off trailing slashes so os.path.basename doesn't choke. + if path.endswith(os.sep): + path = path[:-1] + + if os.path.basename(path) == "modules": + for subdir, dirs, _ in os.walk(path): + if "doc_classes" in dirs: + doc_dir = os.path.join(subdir, "doc_classes") + class_file_names = (f for f in os.listdir(doc_dir) if f.endswith(".xml")) + file_list += (os.path.join(doc_dir, f) for f in class_file_names) + + elif os.path.isdir(path): + file_list += (os.path.join(path, f) for f in os.listdir(path) if f.endswith(".xml")) + + elif os.path.isfile(path): + if not path.endswith(".xml"): + print("Got non-.xml file '{}' in input, skipping.".format(path)) + continue + + file_list.append(path) + + classes = {} # type: Dict[str, ET.Element] + state = State() + + for cur_file in file_list: + try: + tree = ET.parse(cur_file) + except ET.ParseError as e: + print_error("Parse error reading file '{}': {}".format(cur_file, e), state) + continue + doc = tree.getroot() + + if "version" not in doc.attrib: + print_error("Version missing from 'doc', file: {}".format(cur_file), state) + continue + + name = doc.attrib["name"] + if name in classes: + print_error("Duplicate class '{}'".format(name), state) + continue + + classes[name] = (doc, cur_file) + + for name, data in classes.items(): + try: + state.parse_class(data[0], data[1]) + except Exception as e: + print_error("Exception while parsing class '{}': {}".format(name, e), state) + + state.sort_classes() + + pattern = re.compile(args.filter) + + # Create the output folder recursively if it doesn't already exist. + os.makedirs(args.output, exist_ok=True) + + for class_name, class_def in state.classes.items(): + if args.filter and not pattern.search(class_def.filepath): + continue + state.current_class = class_name + make_rst_class(class_def, state, args.dry_run, args.output) + + if not state.errored: + print("No errors found.") + if not args.dry_run: + print("Wrote reStructuredText files for each class to: %s" % args.output) + else: + print("Errors were found in the class reference XML. Please check the messages above.") + exit(1) + + +def make_rst_class(class_def, state, dry_run, output_dir): # type: (ClassDef, State, bool, str) -> None + class_name = class_def.name + + if dry_run: + f = open(os.devnull, "w", encoding="utf-8") + else: + f = open(os.path.join(output_dir, "class_" + class_name.lower() + ".rst"), "w", encoding="utf-8") + + # Warn contributors not to edit this file directly + f.write(":github_url: hide\n\n") + f.write(".. Generated automatically by doc/tools/make_rst.py in Godot's source tree.\n") + f.write(".. DO NOT EDIT THIS FILE, but the " + class_name + ".xml source instead.\n") + f.write(".. The source is found in doc/classes or modules/<name>/doc_classes.\n\n") + + f.write(".. _class_" + class_name + ":\n\n") + f.write(make_heading(class_name, "=")) + + # Inheritance tree + # Ascendants + if class_def.inherits: + inh = class_def.inherits.strip() + f.write("**Inherits:** ") + first = True + while inh in state.classes: + if not first: + f.write(" **<** ") + else: + first = False + + f.write(make_type(inh, state)) + inode = state.classes[inh].inherits + if inode: + inh = inode.strip() + else: + break + f.write("\n\n") + + # Descendents + inherited = [] + for c in state.classes.values(): + if c.inherits and c.inherits.strip() == class_name: + inherited.append(c.name) + + if len(inherited): + f.write("**Inherited By:** ") + for i, child in enumerate(inherited): + if i > 0: + f.write(", ") + f.write(make_type(child, state)) + f.write("\n\n") + + # Brief description + if class_def.brief_description is not None: + f.write(rstize_text(class_def.brief_description.strip(), state) + "\n\n") + + # Class description + if class_def.description is not None and class_def.description.strip() != "": + f.write(make_heading("Description", "-")) + f.write(rstize_text(class_def.description.strip(), state) + "\n\n") + + # Online tutorials + if len(class_def.tutorials) > 0: + f.write(make_heading("Tutorials", "-")) + for url, title in class_def.tutorials: + f.write("- " + make_link(url, title) + "\n\n") + + # Properties overview + if len(class_def.properties) > 0: + f.write(make_heading("Properties", "-")) + ml = [] # type: List[Tuple[str, str, str]] + for property_def in class_def.properties.values(): + type_rst = property_def.type_name.to_rst(state) + default = property_def.default_value + if default is not None and property_def.overridden: + ml.append((type_rst, property_def.name, default + " *(parent override)*")) + else: + ref = ":ref:`{0}<class_{1}_property_{0}>`".format(property_def.name, class_name) + ml.append((type_rst, ref, default)) + format_table(f, ml, True) + + # Methods overview + if len(class_def.methods) > 0: + f.write(make_heading("Methods", "-")) + ml = [] + for method_list in class_def.methods.values(): + for m in method_list: + ml.append(make_method_signature(class_def, m, True, state)) + format_table(f, ml) + + # Theme properties + if len(class_def.theme_items) > 0: + f.write(make_heading("Theme Properties", "-")) + pl = [] + for theme_item_def in class_def.theme_items.values(): + ref = ":ref:`{0}<class_{2}_theme_{1}_{0}>`".format( + theme_item_def.name, theme_item_def.data_name, class_name + ) + pl.append((theme_item_def.type_name.to_rst(state), ref, theme_item_def.default_value)) + format_table(f, pl, True) + + # Signals + if len(class_def.signals) > 0: + f.write(make_heading("Signals", "-")) + index = 0 + + for signal in class_def.signals.values(): + if index != 0: + f.write("----\n\n") + + f.write(".. _class_{}_signal_{}:\n\n".format(class_name, signal.name)) + _, signature = make_method_signature(class_def, signal, False, state) + f.write("- {}\n\n".format(signature)) + + if signal.description is not None and signal.description.strip() != "": + f.write(rstize_text(signal.description.strip(), state) + "\n\n") + + index += 1 + + # Enums + if len(class_def.enums) > 0: + f.write(make_heading("Enumerations", "-")) + index = 0 + + for e in class_def.enums.values(): + if index != 0: + f.write("----\n\n") + + f.write(".. _enum_{}_{}:\n\n".format(class_name, e.name)) + # Sphinx seems to divide the bullet list into individual <ul> tags if we weave the labels into it. + # As such I'll put them all above the list. Won't be perfect but better than making the list visually broken. + # As to why I'm not modifying the reference parser to directly link to the _enum label: + # If somebody gets annoyed enough to fix it, all existing references will magically improve. + for value in e.values.values(): + f.write(".. _class_{}_constant_{}:\n\n".format(class_name, value.name)) + + f.write("enum **{}**:\n\n".format(e.name)) + for value in e.values.values(): + f.write("- **{}** = **{}**".format(value.name, value.value)) + if value.text is not None and value.text.strip() != "": + f.write(" --- " + rstize_text(value.text.strip(), state)) + + f.write("\n\n") + + index += 1 + + # Constants + if len(class_def.constants) > 0: + f.write(make_heading("Constants", "-")) + # Sphinx seems to divide the bullet list into individual <ul> tags if we weave the labels into it. + # As such I'll put them all above the list. Won't be perfect but better than making the list visually broken. + for constant in class_def.constants.values(): + f.write(".. _class_{}_constant_{}:\n\n".format(class_name, constant.name)) + + for constant in class_def.constants.values(): + f.write("- **{}** = **{}**".format(constant.name, constant.value)) + if constant.text is not None and constant.text.strip() != "": + f.write(" --- " + rstize_text(constant.text.strip(), state)) + + f.write("\n\n") + + # Property descriptions + if any(not p.overridden for p in class_def.properties.values()) > 0: + f.write(make_heading("Property Descriptions", "-")) + index = 0 + + for property_def in class_def.properties.values(): + if property_def.overridden: + continue + + if index != 0: + f.write("----\n\n") + + f.write(".. _class_{}_property_{}:\n\n".format(class_name, property_def.name)) + f.write("- {} **{}**\n\n".format(property_def.type_name.to_rst(state), property_def.name)) + + info = [] + if property_def.default_value is not None: + info.append(("*Default*", property_def.default_value)) + if property_def.setter is not None and not property_def.setter.startswith("_"): + info.append(("*Setter*", property_def.setter + "(value)")) + if property_def.getter is not None and not property_def.getter.startswith("_"): + info.append(("*Getter*", property_def.getter + "()")) + + if len(info) > 0: + format_table(f, info) + + if property_def.text is not None and property_def.text.strip() != "": + f.write(rstize_text(property_def.text.strip(), state) + "\n\n") + + index += 1 + + # Method descriptions + if len(class_def.methods) > 0: + f.write(make_heading("Method Descriptions", "-")) + index = 0 + + for method_list in class_def.methods.values(): + for i, m in enumerate(method_list): + if index != 0: + f.write("----\n\n") + + if i == 0: + f.write(".. _class_{}_method_{}:\n\n".format(class_name, m.name)) + + ret_type, signature = make_method_signature(class_def, m, False, state) + f.write("- {} {}\n\n".format(ret_type, signature)) + + if m.description is not None and m.description.strip() != "": + f.write(rstize_text(m.description.strip(), state) + "\n\n") + + index += 1 + + # Theme property descriptions + if len(class_def.theme_items) > 0: + f.write(make_heading("Theme Property Descriptions", "-")) + index = 0 + + for theme_item_def in class_def.theme_items.values(): + if index != 0: + f.write("----\n\n") + + f.write(".. _class_{}_theme_{}_{}:\n\n".format(class_name, theme_item_def.data_name, theme_item_def.name)) + f.write("- {} **{}**\n\n".format(theme_item_def.type_name.to_rst(state), theme_item_def.name)) + + info = [] + if theme_item_def.default_value is not None: + info.append(("*Default*", theme_item_def.default_value)) + + if len(info) > 0: + format_table(f, info) + + if theme_item_def.text is not None and theme_item_def.text.strip() != "": + f.write(rstize_text(theme_item_def.text.strip(), state) + "\n\n") + + index += 1 + + f.write(make_footer()) + + +def escape_rst(text, until_pos=-1): # type: (str) -> str + # Escape \ character, otherwise it ends up as an escape character in rst + pos = 0 + while True: + pos = text.find("\\", pos, until_pos) + if pos == -1: + break + text = text[:pos] + "\\\\" + text[pos + 1 :] + pos += 2 + + # Escape * character to avoid interpreting it as emphasis + pos = 0 + while True: + pos = text.find("*", pos, until_pos) + if pos == -1: + break + text = text[:pos] + "\*" + text[pos + 1 :] + pos += 2 + + # Escape _ character at the end of a word to avoid interpreting it as an inline hyperlink + pos = 0 + while True: + pos = text.find("_", pos, until_pos) + if pos == -1: + break + if not text[pos + 1].isalnum(): # don't escape within a snake_case word + text = text[:pos] + "\_" + text[pos + 1 :] + pos += 2 + else: + pos += 1 + + return text + + +def format_codeblock(code_type, post_text, indent_level, state): # types: str, str, int, state + end_pos = post_text.find("[/" + code_type + "]") + if end_pos == -1: + print_error("[" + code_type + "] without a closing tag, file: {}".format(state.current_class), state) + return None + + code_text = post_text[len("[" + code_type + "]") : end_pos] + post_text = post_text[end_pos:] + + # Remove extraneous tabs + code_pos = 0 + while True: + code_pos = code_text.find("\n", code_pos) + if code_pos == -1: + break + + to_skip = 0 + while code_pos + to_skip + 1 < len(code_text) and code_text[code_pos + to_skip + 1] == "\t": + to_skip += 1 + + if to_skip > indent_level: + print_error( + "Four spaces should be used for indentation within [" + + code_type + + "], file: {}".format(state.current_class), + state, + ) + + if len(code_text[code_pos + to_skip + 1 :]) == 0: + code_text = code_text[:code_pos] + "\n" + code_pos += 1 + else: + code_text = code_text[:code_pos] + "\n " + code_text[code_pos + to_skip + 1 :] + code_pos += 5 - to_skip + return ["\n[" + code_type + "]" + code_text + post_text, len("\n[" + code_type + "]" + code_text)] + + +def rstize_text(text, state): # type: (str, State) -> str + # Linebreak + tabs in the XML should become two line breaks unless in a "codeblock" + pos = 0 + while True: + pos = text.find("\n", pos) + if pos == -1: + break + + pre_text = text[:pos] + indent_level = 0 + while text[pos + 1] == "\t": + pos += 1 + indent_level += 1 + post_text = text[pos + 1 :] + + # Handle codeblocks + if ( + post_text.startswith("[codeblock]") + or post_text.startswith("[gdscript]") + or post_text.startswith("[csharp]") + ): + block_type = post_text[1:].split("]")[0] + result = format_codeblock(block_type, post_text, indent_level, state) + if result is None: + return "" + text = pre_text + result[0] + pos += result[1] + + # Handle normal text + else: + text = pre_text + "\n\n" + post_text + pos += 2 + + next_brac_pos = text.find("[") + text = escape_rst(text, next_brac_pos) + + # Handle [tags] + inside_code = False + inside_url = False + url_has_name = False + url_link = "" + pos = 0 + tag_depth = 0 + previous_pos = 0 + while True: + pos = text.find("[", pos) + if inside_url and (pos > previous_pos): + url_has_name = True + if pos == -1: + break + + endq_pos = text.find("]", pos + 1) + if endq_pos == -1: + break + + pre_text = text[:pos] + post_text = text[endq_pos + 1 :] + tag_text = text[pos + 1 : endq_pos] + + escape_post = False + + if tag_text in state.classes: + if tag_text == state.current_class: + # We don't want references to the same class + tag_text = "``{}``".format(tag_text) + else: + tag_text = make_type(tag_text, state) + escape_post = True + else: # command + cmd = tag_text + space_pos = tag_text.find(" ") + if cmd == "/codeblock" or cmd == "/gdscript" or cmd == "/csharp": + tag_text = "" + tag_depth -= 1 + inside_code = False + # Strip newline if the tag was alone on one + if pre_text[-1] == "\n": + pre_text = pre_text[:-1] + elif cmd == "/code": + tag_text = "``" + tag_depth -= 1 + inside_code = False + escape_post = True + elif inside_code: + tag_text = "[" + tag_text + "]" + elif cmd.find("html") == 0: + param = tag_text[space_pos + 1 :] + tag_text = param + elif ( + cmd.startswith("method") + or cmd.startswith("member") + or cmd.startswith("signal") + or cmd.startswith("constant") + ): + param = tag_text[space_pos + 1 :] + + if param.find(".") != -1: + ss = param.split(".") + if len(ss) > 2: + print_error("Bad reference: '{}', file: {}".format(param, state.current_class), state) + class_param, method_param = ss + + else: + class_param = state.current_class + method_param = param + + ref_type = "" + if class_param in state.classes: + class_def = state.classes[class_param] + if cmd.startswith("method"): + if method_param not in class_def.methods: + print_error("Unresolved method '{}', file: {}".format(param, state.current_class), state) + ref_type = "_method" + + elif cmd.startswith("member"): + if method_param not in class_def.properties: + print_error("Unresolved member '{}', file: {}".format(param, state.current_class), state) + ref_type = "_property" + + elif cmd.startswith("signal"): + if method_param not in class_def.signals: + print_error("Unresolved signal '{}', file: {}".format(param, state.current_class), state) + ref_type = "_signal" + + elif cmd.startswith("constant"): + found = False + + # Search in the current class + search_class_defs = [class_def] + + if param.find(".") == -1: + # Also search in @GlobalScope as a last resort if no class was specified + search_class_defs.append(state.classes["@GlobalScope"]) + + for search_class_def in search_class_defs: + if method_param in search_class_def.constants: + class_param = search_class_def.name + found = True + + else: + for enum in search_class_def.enums.values(): + if method_param in enum.values: + class_param = search_class_def.name + found = True + break + + if not found: + print_error("Unresolved constant '{}', file: {}".format(param, state.current_class), state) + ref_type = "_constant" + + else: + print_error( + "Unresolved type reference '{}' in method reference '{}', file: {}".format( + class_param, param, state.current_class + ), + state, + ) + + repl_text = method_param + if class_param != state.current_class: + repl_text = "{}.{}".format(class_param, method_param) + tag_text = ":ref:`{}<class_{}{}_{}>`".format(repl_text, class_param, ref_type, method_param) + escape_post = True + elif cmd.find("image=") == 0: + tag_text = "" # '' + elif cmd.find("url=") == 0: + url_link = cmd[4:] + tag_text = "`" + tag_depth += 1 + inside_url = True + url_has_name = False + elif cmd == "/url": + tag_text = ("" if url_has_name else url_link) + " <" + url_link + ">`__" + tag_depth -= 1 + escape_post = True + inside_url = False + url_has_name = False + elif cmd == "center": + tag_depth += 1 + tag_text = "" + elif cmd == "/center": + tag_depth -= 1 + tag_text = "" + elif cmd == "codeblock": + tag_depth += 1 + tag_text = "\n::\n" + inside_code = True + elif cmd == "gdscript": + tag_depth += 1 + tag_text = "\n .. code-tab:: gdscript\n" + inside_code = True + elif cmd == "csharp": + tag_depth += 1 + tag_text = "\n .. code-tab:: csharp\n" + inside_code = True + elif cmd == "codeblocks": + tag_depth += 1 + tag_text = "\n.. tabs::" + elif cmd == "/codeblocks": + tag_depth -= 1 + tag_text = "" + elif cmd == "br": + # Make a new paragraph instead of a linebreak, rst is not so linebreak friendly + tag_text = "\n\n" + # Strip potential leading spaces + while post_text[0] == " ": + post_text = post_text[1:] + elif cmd == "i" or cmd == "/i": + if cmd == "/i": + tag_depth -= 1 + else: + tag_depth += 1 + tag_text = "*" + elif cmd == "b" or cmd == "/b": + if cmd == "/b": + tag_depth -= 1 + else: + tag_depth += 1 + tag_text = "**" + elif cmd == "u" or cmd == "/u": + if cmd == "/u": + tag_depth -= 1 + else: + tag_depth += 1 + tag_text = "" + elif cmd == "code": + tag_text = "``" + tag_depth += 1 + inside_code = True + elif cmd == "kbd": + tag_text = ":kbd:`" + tag_depth += 1 + elif cmd == "/kbd": + tag_text = "`" + tag_depth -= 1 + elif cmd.startswith("enum "): + tag_text = make_enum(cmd[5:], state) + escape_post = True + else: + tag_text = make_type(tag_text, state) + escape_post = True + + # Properly escape things like `[Node]s` + if escape_post and post_text and (post_text[0].isalnum() or post_text[0] == "("): # not punctuation, escape + post_text = "\ " + post_text + + next_brac_pos = post_text.find("[", 0) + iter_pos = 0 + while not inside_code: + iter_pos = post_text.find("*", iter_pos, next_brac_pos) + if iter_pos == -1: + break + post_text = post_text[:iter_pos] + "\*" + post_text[iter_pos + 1 :] + iter_pos += 2 + + iter_pos = 0 + while not inside_code: + iter_pos = post_text.find("_", iter_pos, next_brac_pos) + if iter_pos == -1: + break + if not post_text[iter_pos + 1].isalnum(): # don't escape within a snake_case word + post_text = post_text[:iter_pos] + "\_" + post_text[iter_pos + 1 :] + iter_pos += 2 + else: + iter_pos += 1 + + text = pre_text + tag_text + post_text + pos = len(pre_text) + len(tag_text) + previous_pos = pos + + if tag_depth > 0: + print_error("Tag depth mismatch: too many/little open/close tags, file: {}".format(state.current_class), state) + + return text + + +def format_table(f, data, remove_empty_columns=False): # type: (TextIO, Iterable[Tuple[str, ...]]) -> None + if len(data) == 0: + return + + column_sizes = [0] * len(data[0]) + for row in data: + for i, text in enumerate(row): + text_length = len(text or "") + if text_length > column_sizes[i]: + column_sizes[i] = text_length + + sep = "" + for size in column_sizes: + if size == 0 and remove_empty_columns: + continue + sep += "+" + "-" * (size + 2) + sep += "+\n" + f.write(sep) + + for row in data: + row_text = "|" + for i, text in enumerate(row): + if column_sizes[i] == 0 and remove_empty_columns: + continue + row_text += " " + (text or "").ljust(column_sizes[i]) + " |" + row_text += "\n" + f.write(row_text) + f.write(sep) + f.write("\n") + + +def make_type(klass, state): # type: (str, State) -> str + if klass.find("*") != -1: # Pointer, ignore + return klass + link_type = klass + if link_type.endswith("[]"): # Typed array, strip [] to link to contained type. + link_type = link_type[:-2] + if link_type in state.classes: + return ":ref:`{}<class_{}>`".format(klass, link_type) + print_error("Unresolved type '{}', file: {}".format(klass, state.current_class), state) + return klass + + +def make_enum(t, state): # type: (str, State) -> str + p = t.find(".") + if p >= 0: + c = t[0:p] + e = t[p + 1 :] + # Variant enums live in GlobalScope but still use periods. + if c == "Variant": + c = "@GlobalScope" + e = "Variant." + e + else: + c = state.current_class + e = t + if c in state.classes and e not in state.classes[c].enums: + c = "@GlobalScope" + + if c in state.classes and e in state.classes[c].enums: + return ":ref:`{0}<enum_{1}_{0}>`".format(e, c) + + # Don't fail for `Vector3.Axis`, as this enum is a special case which is expected not to be resolved. + if "{}.{}".format(c, e) != "Vector3.Axis": + print_error("Unresolved enum '{}', file: {}".format(t, state.current_class), state) + + return t + + +def make_method_signature( + class_def, method_def, make_ref, state +): # type: (ClassDef, Union[MethodDef, SignalDef], bool, State) -> Tuple[str, str] + ret_type = " " + + ref_type = "signal" + if isinstance(method_def, MethodDef): + ret_type = method_def.return_type.to_rst(state) + ref_type = "method" + + # FIXME: Need to add proper support for operator methods, but generating a unique + # and valid ref for them is not trivial. + if method_def.name.startswith("operator "): + make_ref = False + + out = "" + + if make_ref: + out += ":ref:`{0}<class_{1}_{2}_{0}>` ".format(method_def.name, class_def.name, ref_type) + else: + out += "**{}** ".format(method_def.name) + + out += "**(**" + for i, arg in enumerate(method_def.parameters): + if i > 0: + out += ", " + else: + out += " " + + out += "{} {}".format(arg.type_name.to_rst(state), arg.name) + + if arg.default_value is not None: + out += "=" + arg.default_value + + if isinstance(method_def, MethodDef) and method_def.qualifiers is not None and "vararg" in method_def.qualifiers: + if len(method_def.parameters) > 0: + out += ", ..." + else: + out += " ..." + + out += " **)**" + + if isinstance(method_def, MethodDef) and method_def.qualifiers is not None: + # Use substitutions for abbreviations. This is used to display tooltips on hover. + # See `make_footer()` for descriptions. + for qualifier in method_def.qualifiers.split(): + out += " |" + qualifier + "|" + + return ret_type, out + + +def make_heading(title, underline): # type: (str, str) -> str + return title + "\n" + (underline * len(title)) + "\n\n" + + +def make_footer(): # type: () -> str + # Generate reusable abbreviation substitutions. + # This way, we avoid bloating the generated rST with duplicate abbreviations. + # fmt: off + return ( + ".. |virtual| replace:: :abbr:`virtual (This method should typically be overridden by the user to have any effect.)`\n" + ".. |const| replace:: :abbr:`const (This method has no side effects. It doesn't modify any of the instance's member variables.)`\n" + ".. |vararg| replace:: :abbr:`vararg (This method accepts any number of arguments after the ones described here.)`\n" + ".. |constructor| replace:: :abbr:`constructor (This method is used to construct a type.)`\n" + ".. |static| replace:: :abbr:`static (This method doesn't need an instance to be called, so it can be called directly using the class name.)`\n" + ".. |operator| replace:: :abbr:`operator (This method describes a valid operator to use with this type as left-hand operand.)`\n" + ) + # fmt: on + + +def make_link(url, title): # type: (str, str) -> str + match = GODOT_DOCS_PATTERN.search(url) + if match: + groups = match.groups() + if match.lastindex == 2: + # Doc reference with fragment identifier: emit direct link to section with reference to page, for example: + # `#calling-javascript-from-script in Exporting For Web` + return "`" + groups[1] + " <../" + groups[0] + ".html" + groups[1] + ">`_ in :doc:`../" + groups[0] + "`" + # Commented out alternative: Instead just emit: + # `Subsection in Exporting For Web` + # return "`Subsection <../" + groups[0] + ".html" + groups[1] + ">`__ in :doc:`../" + groups[0] + "`" + elif match.lastindex == 1: + # Doc reference, for example: + # `Math` + return ":doc:`../" + groups[0] + "`" + else: + # External link, for example: + # `http://enet.bespin.org/usergroup0.html` + if title != "": + return "`" + title + " <" + url + ">`__" + else: + return "`" + url + " <" + url + ">`__" + + +if __name__ == "__main__": + main() |