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Improved Rendering

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This commit is contained in:
马一丁
2025-11-14 23:45:28 +08:00
parent 2209319264
commit f64f973f57
1 changed files with 229 additions and 26 deletions
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ReportEngine/renderers/html_renderer.py
+229 -26
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@@ -54,6 +54,7 @@ class HTMLRenderer:
self.toc_entries: List[Dict[str, Any]] = []
self.heading_counter = 0
self.metadata: Dict[str, Any] = {}
self.chapters: List[Dict[str, Any]] = []
self.chapter_anchor_map: Dict[str, str] = {}
self.heading_label_map: Dict[str, Dict[str, Any]] = {}
self.primary_heading_index = 0
@@ -76,15 +77,15 @@ class HTMLRenderer:
self.chart_counter = 0
self.heading_counter = 0
self.metadata = self.document.get("metadata", {}) or {}
raw_chapters = self.document.get("chapters", []) or []
self.chapters = self._prepare_chapters(raw_chapters)
self.chapter_anchor_map = {
chapter.get("chapterId"): chapter.get("anchor")
for chapter in self.document.get("chapters", [])
for chapter in self.chapters
if chapter.get("chapterId") and chapter.get("anchor")
}
self.heading_label_map = self._compute_heading_labels(self.document.get("chapters", []))
self.toc_entries = self._collect_toc_entries(
self.document.get("chapters", [])
)
self.heading_label_map = self._compute_heading_labels(self.chapters)
self.toc_entries = self._collect_toc_entries(self.chapters)
metadata = self.metadata
theme_tokens = metadata.get("themeTokens") or self.document.get("themeTokens", {})
@@ -96,6 +97,39 @@ class HTMLRenderer:
# ====== Head / Body ======
def _resolve_color_value(self, value: Any, fallback: str) -> str:
"""从颜色token中提取字符串值"""
if isinstance(value, str):
value = value.strip()
return value or fallback
if isinstance(value, dict):
for key in ("main", "value", "color", "base", "default"):
candidate = value.get(key)
if isinstance(candidate, str) and candidate.strip():
return candidate.strip()
for candidate in value.values():
if isinstance(candidate, str) and candidate.strip():
return candidate.strip()
return fallback
def _resolve_color_family(self, value: Any, fallback: Dict[str, str]) -> Dict[str, str]:
"""解析主/亮/暗三色，缺失时回落到默认值"""
result = {
"main": fallback.get("main", "#007bff"),
"light": fallback.get("light", fallback.get("main", "#007bff")),
"dark": fallback.get("dark", fallback.get("main", "#007bff")),
}
if isinstance(value, str):
stripped = value.strip()
if stripped:
result["main"] = stripped
return result
if isinstance(value, dict):
result["main"] = self._resolve_color_value(value.get("main") or value, result["main"])
result["light"] = self._resolve_color_value(value.get("light") or value.get("lighter"), result["light"])
result["dark"] = self._resolve_color_value(value.get("dark") or value.get("darker"), result["dark"])
return result
def _render_head(self, title: str, theme_tokens: Dict[str, Any]) -> str:
"""
渲染<head>部分，加载主题CSS与必要的脚本依赖。
@@ -151,10 +185,7 @@ class HTMLRenderer:
cover = self._render_cover()
hero = self._render_hero()
toc_section = self._render_toc_section()
chapters = "".join(
self._render_chapter(chapter)
for chapter in self.document.get("chapters", [])
)
chapters = "".join(self._render_chapter(chapter) for chapter in self.chapters)
widget_scripts = "\n".join(self.widget_scripts)
hydration = self._hydration_script()
@@ -350,6 +381,145 @@ class HTMLRenderer:
)
return entries
def _prepare_chapters(self, chapters: List[Dict[str, Any]]) -> List[Dict[str, Any]]:
"""复制章节并展开其中序列化的block，避免渲染缺失"""
prepared: List[Dict[str, Any]] = []
for chapter in chapters or []:
chapter_copy = copy.deepcopy(chapter)
chapter_copy["blocks"] = self._expand_blocks_in_place(chapter_copy.get("blocks", []))
prepared.append(chapter_copy)
return prepared
def _expand_blocks_in_place(self, blocks: List[Dict[str, Any]] | None) -> List[Dict[str, Any]]:
"""遍历block列表，将内嵌JSON串拆解为独立block"""
expanded: List[Dict[str, Any]] = []
for block in blocks or []:
extras = self._extract_embedded_blocks(block)
expanded.append(block)
if extras:
expanded.extend(self._expand_blocks_in_place(extras))
return expanded
def _extract_embedded_blocks(self, block: Dict[str, Any]) -> List[Dict[str, Any]]:
"""
在block内部查找被误写成字符串的block列表，并返回补充的block
"""
extracted: List[Dict[str, Any]] = []
def traverse(node: Any) -> None:
if isinstance(node, dict):
for key, value in list(node.items()):
if key == "text" and isinstance(value, str):
decoded = self._decode_embedded_block_payload(value)
if decoded:
node[key] = ""
extracted.extend(decoded)
continue
traverse(value)
elif isinstance(node, list):
for item in node:
traverse(item)
traverse(block)
return extracted
def _decode_embedded_block_payload(self, raw: str) -> List[Dict[str, Any]] | None:
"""
将字符串形式的block描述恢复为结构化列表。
"""
if not isinstance(raw, str):
return None
stripped = raw.strip()
if not stripped or stripped[0] not in "{[":
return None
payload: Any | None = None
decode_targets = [stripped]
if stripped and stripped[0] != "[":
decode_targets.append(f"[{stripped}]")
for candidate in decode_targets:
try:
payload = json.loads(candidate)
break
except json.JSONDecodeError:
continue
if payload is None:
for candidate in decode_targets:
try:
payload = ast.literal_eval(candidate)
break
except (ValueError, SyntaxError):
continue
if payload is None:
return None
blocks = self._collect_blocks_from_payload(payload)
return blocks or None
@staticmethod
def _looks_like_block(payload: Dict[str, Any]) -> bool:
"""粗略判断dict是否符合block结构"""
if not isinstance(payload, dict):
return False
if "type" in payload and isinstance(payload["type"], str):
return True
structural_keys = {"blocks", "rows", "items", "widgetId", "widgetType", "data"}
return any(key in payload for key in structural_keys)
def _collect_blocks_from_payload(self, payload: Any) -> List[Dict[str, Any]]:
"""递归收集payload中的block节点"""
collected: List[Dict[str, Any]] = []
if isinstance(payload, dict):
block_list = payload.get("blocks")
block_type = payload.get("type")
if isinstance(block_list, list) and not block_type:
for candidate in block_list:
collected.extend(self._collect_blocks_from_payload(candidate))
return collected
if payload.get("cells") and not block_type:
for cell in payload["cells"]:
collected.extend(self._collect_blocks_from_payload(cell.get("blocks")))
return collected
if payload.get("items") and not block_type:
for item in payload["items"]:
collected.extend(self._collect_blocks_from_payload(item))
return collected
appended = False
if block_type or payload.get("widgetId") or payload.get("rows"):
coerced = self._coerce_block_dict(payload)
if coerced:
collected.append(coerced)
appended = True
items = payload.get("items")
if isinstance(items, list) and not block_type:
for item in items:
collected.extend(self._collect_blocks_from_payload(item))
return collected
if appended:
return collected
elif isinstance(payload, list):
for item in payload:
collected.extend(self._collect_blocks_from_payload(item))
elif payload is None:
return collected
return collected
def _coerce_block_dict(self, payload: Any) -> Dict[str, Any] | None:
"""尝试将dict补充为合法block结构"""
if not isinstance(payload, dict):
return None
block = copy.deepcopy(payload)
block_type = block.get("type")
if not block_type:
if "widgetId" in block:
block_type = block["type"] = "widget"
elif "rows" in block or "cells" in block:
block_type = block["type"] = "table"
if "rows" not in block and isinstance(block.get("cells"), list):
block["rows"] = [{"cells": block.pop("cells")}]
elif "items" in block:
block_type = block["type"] = "list"
return block if block.get("type") else None
def _format_toc_entry(self, entry: Dict[str, Any]) -> str:
"""
将单个目录项转为带描述的HTML行。
@@ -519,6 +689,8 @@ class HTMLRenderer:
handler = handlers.get(block_type)
if handler:
return handler(block)
if isinstance(block.get("blocks"), list):
return self._render_blocks(block["blocks"])
return f'<pre class="unknown-block">{self._escape_html(json.dumps(block, ensure_ascii=False, indent=2))}</pre>'
def _render_heading(self, block: Dict[str, Any]) -> str:
@@ -1085,23 +1257,50 @@ class HTMLRenderer:
def _build_css(self, tokens: Dict[str, Any]) -> str:
"""根据主题token拼接整页CSS，包括响应式与打印样式"""
colors = tokens.get("colors", {})
fonts = tokens.get("fonts", {})
spacing = tokens.get("spacing", {})
bg = colors.get("bg", "#f8f9fa")
text_color = colors.get("text", "#212529")
primary = colors.get("primary", "#007bff")
secondary = colors.get("secondary", "#6c757d")
card = colors.get("card", "#ffffff")
border = colors.get("border", "#dee2e6")
colors = tokens.get("colors") or {}
typography = tokens.get("typography") or {}
fonts = tokens.get("fonts") or typography.get("fontFamily") or {}
spacing = tokens.get("spacing") or {}
primary_palette = self._resolve_color_family(
colors.get("primary"),
{"main": "#1a365d", "light": "#2d3748", "dark": "#0f1a2d"},
)
secondary_palette = self._resolve_color_family(
colors.get("secondary"),
{"main": "#e53e3e", "light": "#fc8181", "dark": "#c53030"},
)
bg = self._resolve_color_value(
colors.get("bg") or colors.get("background") or colors.get("surface"),
"#f8f9fa",
)
text_color = self._resolve_color_value(
colors.get("text") or colors.get("onBackground"),
"#212529",
)
card = self._resolve_color_value(
colors.get("card") or colors.get("surfaceCard"),
"#ffffff",
)
border = self._resolve_color_value(
colors.get("border") or colors.get("divider"),
"#dee2e6",
)
shadow = "rgba(0,0,0,0.08)"
container_width = spacing.get("container") or spacing.get("containerWidth") or "1200px"
gutter = spacing.get("gutter") or spacing.get("pagePadding") or "24px"
body_font = fonts.get("body") or fonts.get("primary") or "-apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif"
heading_font = fonts.get("heading") or fonts.get("primary") or fonts.get("secondary") or body_font
return f"""
:root {{
--bg-color: {bg};
--text-color: {text_color};
--primary-color: {primary};
--secondary-color: {secondary};
--primary-color: {primary_palette["main"]};
--primary-color-light: {primary_palette["light"]};
--primary-color-dark: {primary_palette["dark"]};
--secondary-color: {secondary_palette["main"]};
--secondary-color-light: {secondary_palette["light"]};
--secondary-color-dark: {secondary_palette["dark"]};
--card-bg: {card};
--border-color: {border};
--shadow-color: {shadow};
@@ -1109,8 +1308,12 @@ class HTMLRenderer:
.dark-mode {{
--bg-color: #121212;
--text-color: #e0e0e0;
--primary-color: #0d6efd;
--secondary-color: #adb5bd;
--primary-color: #6ea8fe;
--primary-color-light: #91caff;
--primary-color-dark: #1f6feb;
--secondary-color: #f28b82;
--secondary-color-light: #f9b4ae;
--secondary-color-dark: #d9655c;
--card-bg: #1f1f1f;
--border-color: #2c2c2c;
--shadow-color: rgba(0, 0, 0, 0.4);
@@ -1118,7 +1321,7 @@ class HTMLRenderer:
* {{ box-sizing: border-box; }}
body {{
margin: 0;
font-family: {fonts.get("body", "-apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif")};
font-family: {body_font};
background: linear-gradient(180deg, rgba(0,0,0,0.04), rgba(0,0,0,0)) fixed, var(--bg-color);
color: var(--text-color);
line-height: 1.7;
@@ -1272,15 +1475,15 @@ body {{
transform: translateY(-1px);
}}
main {{
max-width: {spacing.get("container", "1200px")};
max-width: {container_width};
margin: 40px auto;
padding: {spacing.get("gutter", "24px")};
padding: {gutter};
background: var(--card-bg);
border-radius: 16px;
box-shadow: 0 10px 30px var(--shadow-color);
}}
h1, h2, h3, h4, h5, h6 {{
font-family: {fonts.get("heading", fonts.get("body", "sans-serif"))};
font-family: {heading_font};
color: var(--text-color);
margin-top: 2em;
margin-bottom: 0.6em;