From 62cb38bf8a826125fba0034221343aa70dd3d415 Mon Sep 17 00:00:00 2001
From: John MacFarlane <jgm@berkeley.edu>
Date: Mon, 27 Jul 2015 21:35:54 -0700
Subject: Use clang-format, llvm style, for formatting.

* Reformatted all source files.
* Added 'format' target to Makefile.
* Removed 'astyle' target.
* Updated .editorconfig.
---
 src/html.c | 598 +++++++++++++++++++++++++++++--------------------------------
 1 file changed, 289 insertions(+), 309 deletions(-)

(limited to 'src/html.c')

diff --git a/src/html.c b/src/html.c
index 7c4548d..e365c8c 100644
--- a/src/html.c
+++ b/src/html.c
@@ -12,324 +12,304 @@
 
 // Functions to convert cmark_nodes to HTML strings.
 
-static void escape_html(cmark_strbuf *dest, const unsigned char *source, bufsize_t length)
-{
-	houdini_escape_html0(dest, source, length, 0);
+static void escape_html(cmark_strbuf *dest, const unsigned char *source,
+                        bufsize_t length) {
+  houdini_escape_html0(dest, source, length, 0);
 }
 
-static inline void cr(cmark_strbuf *html)
-{
-	if (html->size && html->ptr[html->size - 1] != '\n')
-		cmark_strbuf_putc(html, '\n');
+static inline void cr(cmark_strbuf *html) {
+  if (html->size && html->ptr[html->size - 1] != '\n')
+    cmark_strbuf_putc(html, '\n');
 }
 
 struct render_state {
-	cmark_strbuf* html;
-	cmark_node *plain;
+  cmark_strbuf *html;
+  cmark_node *plain;
 };
 
-static void
-S_render_sourcepos(cmark_node *node, cmark_strbuf *html, int options)
-{
-	char buffer[100];
-	if (CMARK_OPT_SOURCEPOS & options) {
-		sprintf(buffer, " data-sourcepos=\"%d:%d-%d:%d\"",
-			cmark_node_get_start_line(node),
-			cmark_node_get_start_column(node),
-			cmark_node_get_end_line(node),
-			cmark_node_get_end_column(node));
-		cmark_strbuf_puts(html, buffer);
-	}
+static void S_render_sourcepos(cmark_node *node, cmark_strbuf *html,
+                               int options) {
+  char buffer[100];
+  if (CMARK_OPT_SOURCEPOS & options) {
+    sprintf(buffer, " data-sourcepos=\"%d:%d-%d:%d\"",
+            cmark_node_get_start_line(node), cmark_node_get_start_column(node),
+            cmark_node_get_end_line(node), cmark_node_get_end_column(node));
+    cmark_strbuf_puts(html, buffer);
+  }
 }
 
-static int
-S_render_node(cmark_node *node, cmark_event_type ev_type,
-              struct render_state *state, int options)
-{
-	cmark_node *parent;
-	cmark_node *grandparent;
-	cmark_strbuf *html = state->html;
-	char start_header[] = "<h0";
-	char end_header[] = "</h0";
-	bool tight;
-	char buffer[100];
-
-	bool entering = (ev_type == CMARK_EVENT_ENTER);
-
-	if (state->plain == node) { // back at original node
-		state->plain = NULL;
-	}
-
-	if (state->plain != NULL) {
-		switch(node->type) {
-		case CMARK_NODE_TEXT:
-		case CMARK_NODE_CODE:
-		case CMARK_NODE_INLINE_HTML:
-			escape_html(html, node->as.literal.data,
-			            node->as.literal.len);
-			break;
-
-		case CMARK_NODE_LINEBREAK:
-		case CMARK_NODE_SOFTBREAK:
-			cmark_strbuf_putc(html, ' ');
-			break;
-
-		default:
-			break;
-		}
-		return 1;
-	}
-
-	switch (node->type) {
-	case CMARK_NODE_DOCUMENT:
-		break;
-
-	case CMARK_NODE_BLOCK_QUOTE:
-		if (entering) {
-			cr(html);
-			cmark_strbuf_puts(html, "<blockquote");
-			S_render_sourcepos(node, html, options);
-			cmark_strbuf_puts(html, ">\n");
-		} else {
-			cr(html);
-			cmark_strbuf_puts(html, "</blockquote>\n");
-		}
-		break;
-
-	case CMARK_NODE_LIST: {
-		cmark_list_type list_type = node->as.list.list_type;
-		int start = node->as.list.start;
-
-		if (entering) {
-			cr(html);
-			if (list_type == CMARK_BULLET_LIST) {
-				cmark_strbuf_puts(html, "<ul");
-				S_render_sourcepos(node, html, options);
-				cmark_strbuf_puts(html, ">\n");
-			} else if (start == 1) {
-				cmark_strbuf_puts(html, "<ol");
-				S_render_sourcepos(node, html, options);
-				cmark_strbuf_puts(html, ">\n");
-			} else {
-				sprintf(buffer, "<ol start=\"%d\"", start);
-				cmark_strbuf_puts(html, buffer);
-				S_render_sourcepos(node, html, options);
-				cmark_strbuf_puts(html, ">\n");
-			}
-		} else {
-			cmark_strbuf_puts(html,
-			                  list_type == CMARK_BULLET_LIST ?
-			                  "</ul>\n" : "</ol>\n");
-		}
-		break;
-	}
-
-	case CMARK_NODE_ITEM:
-		if (entering) {
-			cr(html);
-			cmark_strbuf_puts(html, "<li");
-			S_render_sourcepos(node, html, options);
-			cmark_strbuf_putc(html, '>');
-		} else {
-			cmark_strbuf_puts(html, "</li>\n");
-		}
-		break;
-
-	case CMARK_NODE_HEADER:
-		if (entering) {
-			cr(html);
-			start_header[2] = '0' + node->as.header.level;
-			cmark_strbuf_puts(html, start_header);
-			S_render_sourcepos(node, html, options);
-			cmark_strbuf_putc(html, '>');
-		} else {
-			end_header[3] = '0' + node->as.header.level;
-			cmark_strbuf_puts(html, end_header);
-			cmark_strbuf_puts(html, ">\n");
-		}
-		break;
-
-	case CMARK_NODE_CODE_BLOCK:
-		cr(html);
-
-		if (!node->as.code.fenced || node->as.code.info.len == 0) {
-			cmark_strbuf_puts(html, "<pre");
-			S_render_sourcepos(node, html, options);
-			cmark_strbuf_puts(html, "><code>");
-		} else {
-			bufsize_t first_tag = 0;
-			while (first_tag < node->as.code.info.len &&
-			       !cmark_isspace(node->as.code.info.data[first_tag])) {
-				first_tag += 1;
-			}
-
-			cmark_strbuf_puts(html, "<pre");
-			S_render_sourcepos(node, html, options);
-			cmark_strbuf_puts(html, "><code class=\"language-");
-			escape_html(html, node->as.code.info.data, first_tag);
-			cmark_strbuf_puts(html, "\">");
-		}
-
-		escape_html(html, node->as.code.literal.data,
-		            node->as.code.literal.len);
-		cmark_strbuf_puts(html, "</code></pre>\n");
-		break;
-
-	case CMARK_NODE_HTML:
-		cr(html);
-		if (options & CMARK_OPT_SAFE) {
-			cmark_strbuf_puts(html, "<!-- raw HTML omitted -->");
-		} else {
-			cmark_strbuf_put(html, node->as.literal.data,
-			                 node->as.literal.len);
-		}
-		cr(html);
-		break;
-
-	case CMARK_NODE_HRULE:
-		cr(html);
-		cmark_strbuf_puts(html, "<hr");
-		S_render_sourcepos(node, html, options);
-		cmark_strbuf_puts(html, " />\n");
-		break;
-
-	case CMARK_NODE_PARAGRAPH:
-		parent = cmark_node_parent(node);
-		grandparent = cmark_node_parent(parent);
-		if (grandparent != NULL &&
-		    grandparent->type == CMARK_NODE_LIST) {
-			tight = grandparent->as.list.tight;
-		} else {
-			tight = false;
-		}
-		if (!tight) {
-			if (entering) {
-				cr(html);
-				cmark_strbuf_puts(html, "<p");
-				S_render_sourcepos(node, html, options);
-				cmark_strbuf_putc(html, '>');
-			} else {
-				cmark_strbuf_puts(html, "</p>\n");
-			}
-		}
-		break;
-
-	case CMARK_NODE_TEXT:
-		escape_html(html, node->as.literal.data, node->as.literal.len);
-		break;
-
-	case CMARK_NODE_LINEBREAK:
-		cmark_strbuf_puts(html, "<br />\n");
-		break;
-
-	case CMARK_NODE_SOFTBREAK:
-		if (options & CMARK_OPT_HARDBREAKS) {
-			cmark_strbuf_puts(html, "<br />\n");
-		} else {
-			cmark_strbuf_putc(html, '\n');
-		}
-		break;
-
-	case CMARK_NODE_CODE:
-		cmark_strbuf_puts(html, "<code>");
-		escape_html(html, node->as.literal.data, node->as.literal.len);
-		cmark_strbuf_puts(html, "</code>");
-		break;
-
-	case CMARK_NODE_INLINE_HTML:
-		if (options & CMARK_OPT_SAFE) {
-			cmark_strbuf_puts(html, "<!-- raw HTML omitted -->");
-		} else {
-			cmark_strbuf_put(html, node->as.literal.data,
-			                 node->as.literal.len);
-		}
-		break;
-
-	case CMARK_NODE_STRONG:
-		if (entering) {
-			cmark_strbuf_puts(html, "<strong>");
-		} else {
-			cmark_strbuf_puts(html, "</strong>");
-		}
-		break;
-
-	case CMARK_NODE_EMPH:
-		if (entering) {
-			cmark_strbuf_puts(html, "<em>");
-		} else {
-			cmark_strbuf_puts(html, "</em>");
-		}
-		break;
-
-	case CMARK_NODE_LINK:
-		if (entering) {
-			cmark_strbuf_puts(html, "<a href=\"");
-			if (!((options & CMARK_OPT_SAFE) &&
-			      scan_dangerous_url(&node->as.link.url, 0))) {
-				houdini_escape_href(html,
-				                    node->as.link.url.data,
-				                    node->as.link.url.len);
-
-			}
-			if (node->as.link.title.len) {
-				cmark_strbuf_puts(html, "\" title=\"");
-				escape_html(html,
-				            node->as.link.title.data,
-				            node->as.link.title.len);
-			}
-			cmark_strbuf_puts(html, "\">");
-		} else {
-			cmark_strbuf_puts(html, "</a>");
-		}
-		break;
-
-	case CMARK_NODE_IMAGE:
-		if (entering) {
-			cmark_strbuf_puts(html, "<img src=\"");
-			if (!((options & CMARK_OPT_SAFE) &&
-			      scan_dangerous_url(&node->as.link.url, 0))) {
-				houdini_escape_href(html,
-				                    node->as.link.url.data,
-				                    node->as.link.url.len);
-
-			}
-			cmark_strbuf_puts(html, "\" alt=\"");
-			state->plain = node;
-		} else {
-			if (node->as.link.title.len) {
-				cmark_strbuf_puts(html, "\" title=\"");
-				escape_html(html, node->as.link.title.data,
-				            node->as.link.title.len);
-			}
-
-			cmark_strbuf_puts(html, "\" />");
-		}
-		break;
-
-	default:
-		assert(false);
-		break;
-	}
-
-	// cmark_strbuf_putc(html, 'x');
-	return 1;
+static int S_render_node(cmark_node *node, cmark_event_type ev_type,
+                         struct render_state *state, int options) {
+  cmark_node *parent;
+  cmark_node *grandparent;
+  cmark_strbuf *html = state->html;
+  char start_header[] = "<h0";
+  char end_header[] = "</h0";
+  bool tight;
+  char buffer[100];
+
+  bool entering = (ev_type == CMARK_EVENT_ENTER);
+
+  if (state->plain == node) { // back at original node
+    state->plain = NULL;
+  }
+
+  if (state->plain != NULL) {
+    switch (node->type) {
+    case CMARK_NODE_TEXT:
+    case CMARK_NODE_CODE:
+    case CMARK_NODE_INLINE_HTML:
+      escape_html(html, node->as.literal.data, node->as.literal.len);
+      break;
+
+    case CMARK_NODE_LINEBREAK:
+    case CMARK_NODE_SOFTBREAK:
+      cmark_strbuf_putc(html, ' ');
+      break;
+
+    default:
+      break;
+    }
+    return 1;
+  }
+
+  switch (node->type) {
+  case CMARK_NODE_DOCUMENT:
+    break;
+
+  case CMARK_NODE_BLOCK_QUOTE:
+    if (entering) {
+      cr(html);
+      cmark_strbuf_puts(html, "<blockquote");
+      S_render_sourcepos(node, html, options);
+      cmark_strbuf_puts(html, ">\n");
+    } else {
+      cr(html);
+      cmark_strbuf_puts(html, "</blockquote>\n");
+    }
+    break;
+
+  case CMARK_NODE_LIST: {
+    cmark_list_type list_type = node->as.list.list_type;
+    int start = node->as.list.start;
+
+    if (entering) {
+      cr(html);
+      if (list_type == CMARK_BULLET_LIST) {
+        cmark_strbuf_puts(html, "<ul");
+        S_render_sourcepos(node, html, options);
+        cmark_strbuf_puts(html, ">\n");
+      } else if (start == 1) {
+        cmark_strbuf_puts(html, "<ol");
+        S_render_sourcepos(node, html, options);
+        cmark_strbuf_puts(html, ">\n");
+      } else {
+        sprintf(buffer, "<ol start=\"%d\"", start);
+        cmark_strbuf_puts(html, buffer);
+        S_render_sourcepos(node, html, options);
+        cmark_strbuf_puts(html, ">\n");
+      }
+    } else {
+      cmark_strbuf_puts(html,
+                        list_type == CMARK_BULLET_LIST ? "</ul>\n" : "</ol>\n");
+    }
+    break;
+  }
+
+  case CMARK_NODE_ITEM:
+    if (entering) {
+      cr(html);
+      cmark_strbuf_puts(html, "<li");
+      S_render_sourcepos(node, html, options);
+      cmark_strbuf_putc(html, '>');
+    } else {
+      cmark_strbuf_puts(html, "</li>\n");
+    }
+    break;
+
+  case CMARK_NODE_HEADER:
+    if (entering) {
+      cr(html);
+      start_header[2] = '0' + node->as.header.level;
+      cmark_strbuf_puts(html, start_header);
+      S_render_sourcepos(node, html, options);
+      cmark_strbuf_putc(html, '>');
+    } else {
+      end_header[3] = '0' + node->as.header.level;
+      cmark_strbuf_puts(html, end_header);
+      cmark_strbuf_puts(html, ">\n");
+    }
+    break;
+
+  case CMARK_NODE_CODE_BLOCK:
+    cr(html);
+
+    if (!node->as.code.fenced || node->as.code.info.len == 0) {
+      cmark_strbuf_puts(html, "<pre");
+      S_render_sourcepos(node, html, options);
+      cmark_strbuf_puts(html, "><code>");
+    } else {
+      bufsize_t first_tag = 0;
+      while (first_tag < node->as.code.info.len &&
+             !cmark_isspace(node->as.code.info.data[first_tag])) {
+        first_tag += 1;
+      }
+
+      cmark_strbuf_puts(html, "<pre");
+      S_render_sourcepos(node, html, options);
+      cmark_strbuf_puts(html, "><code class=\"language-");
+      escape_html(html, node->as.code.info.data, first_tag);
+      cmark_strbuf_puts(html, "\">");
+    }
+
+    escape_html(html, node->as.code.literal.data, node->as.code.literal.len);
+    cmark_strbuf_puts(html, "</code></pre>\n");
+    break;
+
+  case CMARK_NODE_HTML:
+    cr(html);
+    if (options & CMARK_OPT_SAFE) {
+      cmark_strbuf_puts(html, "<!-- raw HTML omitted -->");
+    } else {
+      cmark_strbuf_put(html, node->as.literal.data, node->as.literal.len);
+    }
+    cr(html);
+    break;
+
+  case CMARK_NODE_HRULE:
+    cr(html);
+    cmark_strbuf_puts(html, "<hr");
+    S_render_sourcepos(node, html, options);
+    cmark_strbuf_puts(html, " />\n");
+    break;
+
+  case CMARK_NODE_PARAGRAPH:
+    parent = cmark_node_parent(node);
+    grandparent = cmark_node_parent(parent);
+    if (grandparent != NULL && grandparent->type == CMARK_NODE_LIST) {
+      tight = grandparent->as.list.tight;
+    } else {
+      tight = false;
+    }
+    if (!tight) {
+      if (entering) {
+        cr(html);
+        cmark_strbuf_puts(html, "<p");
+        S_render_sourcepos(node, html, options);
+        cmark_strbuf_putc(html, '>');
+      } else {
+        cmark_strbuf_puts(html, "</p>\n");
+      }
+    }
+    break;
+
+  case CMARK_NODE_TEXT:
+    escape_html(html, node->as.literal.data, node->as.literal.len);
+    break;
+
+  case CMARK_NODE_LINEBREAK:
+    cmark_strbuf_puts(html, "<br />\n");
+    break;
+
+  case CMARK_NODE_SOFTBREAK:
+    if (options & CMARK_OPT_HARDBREAKS) {
+      cmark_strbuf_puts(html, "<br />\n");
+    } else {
+      cmark_strbuf_putc(html, '\n');
+    }
+    break;
+
+  case CMARK_NODE_CODE:
+    cmark_strbuf_puts(html, "<code>");
+    escape_html(html, node->as.literal.data, node->as.literal.len);
+    cmark_strbuf_puts(html, "</code>");
+    break;
+
+  case CMARK_NODE_INLINE_HTML:
+    if (options & CMARK_OPT_SAFE) {
+      cmark_strbuf_puts(html, "<!-- raw HTML omitted -->");
+    } else {
+      cmark_strbuf_put(html, node->as.literal.data, node->as.literal.len);
+    }
+    break;
+
+  case CMARK_NODE_STRONG:
+    if (entering) {
+      cmark_strbuf_puts(html, "<strong>");
+    } else {
+      cmark_strbuf_puts(html, "</strong>");
+    }
+    break;
+
+  case CMARK_NODE_EMPH:
+    if (entering) {
+      cmark_strbuf_puts(html, "<em>");
+    } else {
+      cmark_strbuf_puts(html, "</em>");
+    }
+    break;
+
+  case CMARK_NODE_LINK:
+    if (entering) {
+      cmark_strbuf_puts(html, "<a href=\"");
+      if (!((options & CMARK_OPT_SAFE) &&
+            scan_dangerous_url(&node->as.link.url, 0))) {
+        houdini_escape_href(html, node->as.link.url.data,
+                            node->as.link.url.len);
+      }
+      if (node->as.link.title.len) {
+        cmark_strbuf_puts(html, "\" title=\"");
+        escape_html(html, node->as.link.title.data, node->as.link.title.len);
+      }
+      cmark_strbuf_puts(html, "\">");
+    } else {
+      cmark_strbuf_puts(html, "</a>");
+    }
+    break;
+
+  case CMARK_NODE_IMAGE:
+    if (entering) {
+      cmark_strbuf_puts(html, "<img src=\"");
+      if (!((options & CMARK_OPT_SAFE) &&
+            scan_dangerous_url(&node->as.link.url, 0))) {
+        houdini_escape_href(html, node->as.link.url.data,
+                            node->as.link.url.len);
+      }
+      cmark_strbuf_puts(html, "\" alt=\"");
+      state->plain = node;
+    } else {
+      if (node->as.link.title.len) {
+        cmark_strbuf_puts(html, "\" title=\"");
+        escape_html(html, node->as.link.title.data, node->as.link.title.len);
+      }
+
+      cmark_strbuf_puts(html, "\" />");
+    }
+    break;
+
+  default:
+    assert(false);
+    break;
+  }
+
+  // cmark_strbuf_putc(html, 'x');
+  return 1;
 }
 
-char *cmark_render_html(cmark_node *root, int options)
-{
-	char *result;
-	cmark_strbuf html = GH_BUF_INIT;
-	cmark_event_type ev_type;
-	cmark_node *cur;
-	struct render_state state = { &html, NULL };
-	cmark_iter *iter = cmark_iter_new(root);
-
-	while ((ev_type = cmark_iter_next(iter)) != CMARK_EVENT_DONE) {
-		cur = cmark_iter_get_node(iter);
-		S_render_node(cur, ev_type, &state, options);
-	}
-	result = (char *)cmark_strbuf_detach(&html);
-
-	cmark_iter_free(iter);
-	return result;
+char *cmark_render_html(cmark_node *root, int options) {
+  char *result;
+  cmark_strbuf html = GH_BUF_INIT;
+  cmark_event_type ev_type;
+  cmark_node *cur;
+  struct render_state state = {&html, NULL};
+  cmark_iter *iter = cmark_iter_new(root);
+
+  while ((ev_type = cmark_iter_next(iter)) != CMARK_EVENT_DONE) {
+    cur = cmark_iter_get_node(iter);
+    S_render_node(cur, ev_type, &state, options);
+  }
+  result = (char *)cmark_strbuf_detach(&html);
+
+  cmark_iter_free(iter);
+  return result;
 }
-- 
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