""" ue_markdown.py — Render a ParsedHeader into compact, agent-readable Markdown. Format goals: - Ultra-compact function entries: signature in heading, params folded into prose - Bullet-list properties (no tables) - Only items with actual C++ doc comments (or deprecated annotations) are emitted - Cross-reference links to other files in the corpus (via type_index) """ from __future__ import annotations import os import re from typing import Optional from ue_parser import ( ParsedHeader, ClassInfo, EnumInfo, DelegateInfo, NamespaceInfo, FreeFunction, FunctionInfo, PropertyInfo, DocComment, _split_params, ) # --------------------------------------------------------------------------- # Cross-reference utilities # --------------------------------------------------------------------------- def _rel_link(current_md: str, target_md: str) -> str: """ Compute a relative markdown link from the directory of current_md to target_md. Both paths are relative to the docs root. """ cur_dir = os.path.dirname(current_md) or '.' return os.path.relpath(target_md, cur_dir).replace('\\', '/') def _make_type_link(name: str, type_index: dict[str, str], current_md: str) -> str: """Return '[Name](relative/path.md)' if in corpus, else '`Name`'.""" if name in type_index: link = _rel_link(current_md, type_index[name]) return f"[{name}]({link})" return f"`{name}`" # --------------------------------------------------------------------------- # Helpers # --------------------------------------------------------------------------- def _has_doc(comment: Optional[DocComment]) -> bool: if comment is None: return False return bool(comment.description or comment.params or comment.returns) def _uf_category(uf_specs: str) -> str: m = re.search(r'Category\s*=\s*"([^"]*)"', uf_specs) if m: return m.group(1) m = re.search(r'Category\s*=\s*([\w|]+)', uf_specs) return m.group(1) if m else "" def _uf_flags(uf_specs: str) -> list: flags = [] for flag in ('BlueprintCallable', 'BlueprintPure', 'BlueprintImplementableEvent', 'BlueprintNativeEvent', 'Exec', 'NetMulticast', 'Server', 'Client', 'CallInEditor'): if re.search(r'\b' + flag + r'\b', uf_specs): flags.append(flag) return flags def _up_flags(specs: str) -> list: notable = [ 'EditAnywhere', 'EditDefaultsOnly', 'EditInstanceOnly', 'VisibleAnywhere', 'VisibleDefaultsOnly', 'BlueprintReadWrite', 'BlueprintReadOnly', 'BlueprintAssignable', 'Replicated', 'ReplicatedUsing', 'Transient', 'SaveGame', 'Config', ] return [f for f in notable if re.search(r'\b' + f + r'\b', specs)] def _compact_params(raw_params: str, max_count: int = 3) -> str: params = _split_params(raw_params) if not params: return "" shown = [] for p in params[:max_count]: p = p.strip() p = re.sub(r'\s*=\s*', '=', p) shown.append(p) result = ', '.join(shown) if len(params) > max_count: result += ', ...' return result def _fn_flags_str(fn: FunctionInfo) -> str: parts = [] if fn.is_deprecated: ver = fn.deprecated_version or "?" parts.append(f"Deprecated {ver}") if fn.uf_specifiers: uf = _uf_flags(fn.uf_specifiers) cat = _uf_category(fn.uf_specifiers) annotation = ', '.join(uf) if cat: annotation = (annotation + ' — ' if annotation else '') + cat if annotation: parts.append(annotation) for mod in fn.modifiers: if mod in ('virtual', 'static', 'inline', 'constexpr'): parts.append(mod) if fn.editor_only: parts.append("Editor only") return f" *({', '.join(parts)})*" if parts else "" _PLACEHOLDER_RE = re.compile(r'^[-_/\\]{6,}') def _fn_body(fn: FunctionInfo) -> str: parts = [] c = fn.comment if c: if c.description and not _PLACEHOLDER_RE.match(c.description): desc = c.description.rstrip('.') parts.append(desc + '.') for pname, pdesc in c.params.items(): pdesc = pdesc.rstrip('.') parts.append(f"`{pname}`: {pdesc}.") if c.returns: ret = c.returns.rstrip('.') parts.append(f"**Returns** {ret}.") return ' '.join(parts) def _render_function_compact(fn: FunctionInfo) -> str: params_str = _compact_params(fn.raw_params) heading = f"##### `{fn.name}({params_str})`" if fn.return_type: heading += f" → `{fn.return_type}`" heading += _fn_flags_str(fn) body = _fn_body(fn) return heading + ('\n' + body if body else '') def _render_ff_compact(fn: FreeFunction, overloads: list = None) -> str: overloads = overloads or [fn] fn0 = overloads[0] params_str = _compact_params(fn0.raw_params) heading = f"##### `{fn0.name}({params_str})`" if fn0.return_type: heading += f" → `{fn0.return_type}`" flag_parts = [m for m in fn0.modifiers if m in ('inline', 'static', 'constexpr')] if len(overloads) > 1: flag_parts.append(f"{len(overloads)} overloads") if flag_parts: heading += f" *({', '.join(flag_parts)})*" body = "" for f in overloads: b = _fn_body(f) if b: body = b break return heading + ('\n' + body if body else '') # --------------------------------------------------------------------------- # Section renderers # --------------------------------------------------------------------------- def _render_delegates(delegates: list) -> str: if not delegates: return "" lines = ["## Delegates"] for d in delegates: suffix_parts = [] if d.is_dynamic: suffix_parts.append("Dynamic") if d.is_multicast: suffix_parts.append("Multicast") suffix = ", ".join(suffix_parts) head = f"### `{d.name}`" if suffix: head += f" *({suffix})*" lines.append(head) if d.comment and d.comment.description: lines.append(d.comment.description) if d.params: param_str = ", ".join(f"`{t} {n}`" for t, n in d.params) lines.append(f"Params: {param_str}") return '\n'.join(lines) def _render_enum(ei: EnumInfo) -> str: head = f"### `{ei.name}`" if ei.editor_only: head += " *(Editor only)*" lines = [head] if ei.comment and ei.comment.description: lines.append(ei.comment.description) if ei.values: has_descriptions = any(v.comment for v in ei.values) if has_descriptions: lines.append("| Value | Description |") lines.append("|-------|-------------|") for v in ei.values: val_str = f"`{v.name}`" if v.value: val_str += f" (={v.value})" lines.append(f"| {val_str} | {v.comment} |") else: # Compact inline list when no value has a description vals = [v.name for v in ei.values] lines.append("Values: " + ", ".join(f"`{v}`" for v in vals)) return '\n'.join(lines) def _render_enums(enums: list, heading: str = "## Enums") -> str: if not enums: return "" parts = [heading] for ei in enums: parts.append(_render_enum(ei)) return '\n'.join(parts) def _render_properties(props: list) -> str: visible = [p for p in props if p.access in ('public', 'protected') and _has_doc(p.comment)] if not visible: return "" lines = ["#### Properties"] for p in visible: flags = ', '.join(_up_flags(p.specifiers)) desc = p.comment.description if p.comment else "" line = f"- `{p.name}` `{p.type}`" if flags: line += f" *({flags})*" if desc: line += f" — {desc}" if p.editor_only: line += " *(Editor only)*" lines.append(line) return '\n'.join(lines) def _render_functions(fns: list) -> str: visible = [f for f in fns if f.access in ('public', 'protected') and _has_doc(f.comment) and not f.is_deprecated] if not visible: return "" lines = ["#### Functions"] seen: dict[str, list] = {} ordered: list[str] = [] for fn in visible: if fn.name not in seen: seen[fn.name] = [] ordered.append(fn.name) seen[fn.name].append(fn) for name in ordered: group = seen[name] if len(group) == 1: lines.append(_render_function_compact(group[0])) else: fn0 = group[0] params_str = _compact_params(fn0.raw_params) heading = f"##### `{fn0.name}({params_str})`" if fn0.return_type: heading += f" → `{fn0.return_type}`" flag_parts = [] if fn0.is_deprecated: flag_parts.append(f"Deprecated {fn0.deprecated_version or '?'}") if fn0.uf_specifiers: uf = _uf_flags(fn0.uf_specifiers) cat = _uf_category(fn0.uf_specifiers) ann = ', '.join(uf) if cat: ann = (ann + ' — ' if ann else '') + cat if ann: flag_parts.append(ann) flag_parts.append(f"{len(group)} overloads") heading += f" *({', '.join(flag_parts)})*" lines.append(heading) for fn in group: body = _fn_body(fn) if body: lines.append(body) break return '\n'.join(lines) def _class_has_content(ci: ClassInfo) -> bool: if _has_doc(ci.comment): return True if any(p.access in ('public', 'protected') and _has_doc(p.comment) for p in ci.properties): return True if any(f.access in ('public', 'protected') and (_has_doc(f.comment) or f.is_deprecated) for f in ci.functions): return True if ci.nested_enums: return True return False def _render_class(ci: ClassInfo, type_index: dict[str, str], current_md: str) -> str: lines = [] head = f"### `{ci.name}` *({ci.kind})*" lines.append(head) if ci.bases: linked = [_make_type_link(b, type_index, current_md) for b in ci.bases] lines.append("*Inherits*: " + ", ".join(linked)) if ci.module_api: lines.append(f"*API*: `{ci.module_api}`") if ci.comment and ci.comment.description: lines.append(ci.comment.description) if ci.nested_enums: lines.append(_render_enums(ci.nested_enums, "#### Enums")) props_section = _render_properties(ci.properties) if props_section: lines.append(props_section) fns_section = _render_functions(ci.functions) if fns_section: lines.append(fns_section) return '\n'.join(lines) def _render_namespace(ns: NamespaceInfo) -> str: doc_fns = [f for f in ns.functions if _has_doc(f.comment)] if not doc_fns: return "" lines = [f"## Free Functions — `{ns.name}`"] seen: dict[str, list] = {} ordered: list[str] = [] for fn in doc_fns: if fn.name not in seen: seen[fn.name] = [] ordered.append(fn.name) seen[fn.name].append(fn) for name in ordered: group = seen[name] lines.append(_render_ff_compact(group[0], group)) return '\n'.join(lines) # --------------------------------------------------------------------------- # Main render function # --------------------------------------------------------------------------- def render_header(parsed: ParsedHeader, type_index: dict[str, str] = None, current_md: str = "") -> str: """ Render a ParsedHeader to Markdown. Returns empty string if the header has no documented content (so callers can skip writing the file). """ if type_index is None: type_index = {} sections = [] d_sec = _render_delegates(parsed.delegates) if d_sec.strip(): sections.append(d_sec) e_sec = _render_enums(parsed.enums) if e_sec.strip(): sections.append(e_sec) if parsed.classes: doc_classes = [ci for ci in parsed.classes if _class_has_content(ci)] if doc_classes: cls_lines = ["## Classes"] for ci in doc_classes: cls_lines.append(_render_class(ci, type_index, current_md)) sections.append('\n'.join(cls_lines)) for ns in parsed.namespaces: ns_sec = _render_namespace(ns) if ns_sec.strip(): sections.append(ns_sec) if parsed.free_functions: doc_fns = [f for f in parsed.free_functions if _has_doc(f.comment)] if doc_fns: ff_lines = ["## Free Functions"] for fn in doc_fns: ff_lines.append(_render_ff_compact(fn)) sections.append('\n'.join(ff_lines)) if not sections: return "" lines = [ f"# `{parsed.filename}`", f"**Module**: `{parsed.module_name}`", "", '\n\n---\n\n'.join(sections), ] return '\n'.join(lines)