Use clang-format, llvm style, for formatting.

* Reformatted all source files.
* Added 'format' target to Makefile.
* Removed 'astyle' target.
* Updated .editorconfig.

1 files changed, 379 insertions, 401 deletions

diff --git a/src/latex.c b/src/latex.c
index 782b0c0..146062e 100644
--- a/src/latex.c
+++ b/src/latex.c
@@ -18,413 +18,391 @@
 #define CR() renderer->cr(renderer)
 #define BLANKLINE() renderer->blankline(renderer)
 
-static inline void outc(cmark_renderer *renderer,
-                        cmark_escaping escape,
-                        int32_t c,
-                        unsigned char nextc)
-{
-	if (escape == LITERAL) {
-		cmark_render_code_point(renderer, c);
-		return;
-	}
-
-	switch(c) {
-	case 123: // '{'
-	case 125: // '}'
-	case 35: // '#'
-	case 37: // '%'
-	case 38: // '&'
-		cmark_render_ascii(renderer, "\\");
-		cmark_render_code_point(renderer, c);
-		break;
-	case 36: // '$'
-	case 95: // '_'
-		if (escape == NORMAL) {
-			cmark_render_ascii(renderer, "\\");
-		}
-		cmark_render_code_point(renderer, c);
-		break;
-	case 45 : // '-'
-		if (nextc == 45) { // prevent ligature
-			cmark_render_ascii(renderer, "\\-");
-		} else {
-			cmark_render_ascii(renderer, "-");
-		}
-		break;
-	case 126: // '~'
-		if (escape == NORMAL) {
-			cmark_render_ascii(renderer, "\\textasciitilde{}");
-		} else {
-			cmark_render_code_point(renderer, c);
-		}
-		break;
-	case 94: // '^'
-		cmark_render_ascii(renderer, "\\^{}");
-		break;
-	case 92: // '\\'
-		if (escape == URL) {
-			// / acts as path sep even on windows:
-			cmark_render_ascii(renderer, "/");
-		} else {
-			cmark_render_ascii(renderer, "\\textbackslash{}");
-		}
-		break;
-	case 124: // '|'
-		cmark_render_ascii(renderer, "\\textbar{}");
-		break;
-	case 60: // '<'
-		cmark_render_ascii(renderer, "\\textless{}");
-		break;
-	case 62: // '>'
-		cmark_render_ascii(renderer, "\\textgreater{}");
-		break;
-	case 91: // '['
-	case 93: // ']'
-		cmark_render_ascii(renderer, "{");
-		cmark_render_code_point(renderer, c);
-		cmark_render_ascii(renderer, "}");
-		break;
-	case 34: // '"'
-		cmark_render_ascii(renderer, "\\textquotedbl{}");
-		// requires \usepackage[T1]{fontenc}
-		break;
-	case 39: // '\''
-		cmark_render_ascii(renderer, "\\textquotesingle{}");
-		// requires \usepackage{textcomp}
-		break;
-	case 160: // nbsp
-		cmark_render_ascii(renderer, "~");
-		break;
-	case 8230: // hellip
-		cmark_render_ascii(renderer, "\\ldots{}");
-		break;
-	case 8216: // lsquo
-		if (escape == NORMAL) {
-			cmark_render_ascii(renderer, "`");
-		} else {
-			cmark_render_code_point(renderer, c);
-		}
-		break;
-	case 8217: // rsquo
-		if (escape == NORMAL) {
-			cmark_render_ascii(renderer, "\'");
-		} else {
-			cmark_render_code_point(renderer, c);
-		}
-		break;
-	case 8220: // ldquo
-		if (escape == NORMAL) {
-			cmark_render_ascii(renderer, "``");
-		} else {
-			cmark_render_code_point(renderer, c);
-		}
-		break;
-	case 8221: // rdquo
-		if (escape == NORMAL) {
-			cmark_render_ascii(renderer, "''");
-		} else {
-			cmark_render_code_point(renderer, c);
-		}
-		break;
-	case 8212: // emdash
-		if (escape == NORMAL) {
-			cmark_render_ascii(renderer, "---");
-		} else {
-			cmark_render_code_point(renderer, c);
-		}
-		break;
-	case 8211: // endash
-		if (escape == NORMAL) {
-			cmark_render_ascii(renderer, "--");
-		} else {
-			cmark_render_code_point(renderer, c);
-		}
-		break;
-	default:
-		cmark_render_code_point(renderer, c);
-	}
+static inline void outc(cmark_renderer *renderer, cmark_escaping escape,
+                        int32_t c, unsigned char nextc) {
+  if (escape == LITERAL) {
+    cmark_render_code_point(renderer, c);
+    return;
+  }
+
+  switch (c) {
+  case 123: // '{'
+  case 125: // '}'
+  case 35:  // '#'
+  case 37:  // '%'
+  case 38:  // '&'
+    cmark_render_ascii(renderer, "\\");
+    cmark_render_code_point(renderer, c);
+    break;
+  case 36: // '$'
+  case 95: // '_'
+    if (escape == NORMAL) {
+      cmark_render_ascii(renderer, "\\");
+    }
+    cmark_render_code_point(renderer, c);
+    break;
+  case 45:             // '-'
+    if (nextc == 45) { // prevent ligature
+      cmark_render_ascii(renderer, "\\-");
+    } else {
+      cmark_render_ascii(renderer, "-");
+    }
+    break;
+  case 126: // '~'
+    if (escape == NORMAL) {
+      cmark_render_ascii(renderer, "\\textasciitilde{}");
+    } else {
+      cmark_render_code_point(renderer, c);
+    }
+    break;
+  case 94: // '^'
+    cmark_render_ascii(renderer, "\\^{}");
+    break;
+  case 92: // '\\'
+    if (escape == URL) {
+      // / acts as path sep even on windows:
+      cmark_render_ascii(renderer, "/");
+    } else {
+      cmark_render_ascii(renderer, "\\textbackslash{}");
+    }
+    break;
+  case 124: // '|'
+    cmark_render_ascii(renderer, "\\textbar{}");
+    break;
+  case 60: // '<'
+    cmark_render_ascii(renderer, "\\textless{}");
+    break;
+  case 62: // '>'
+    cmark_render_ascii(renderer, "\\textgreater{}");
+    break;
+  case 91: // '['
+  case 93: // ']'
+    cmark_render_ascii(renderer, "{");
+    cmark_render_code_point(renderer, c);
+    cmark_render_ascii(renderer, "}");
+    break;
+  case 34: // '"'
+    cmark_render_ascii(renderer, "\\textquotedbl{}");
+    // requires \usepackage[T1]{fontenc}
+    break;
+  case 39: // '\''
+    cmark_render_ascii(renderer, "\\textquotesingle{}");
+    // requires \usepackage{textcomp}
+    break;
+  case 160: // nbsp
+    cmark_render_ascii(renderer, "~");
+    break;
+  case 8230: // hellip
+    cmark_render_ascii(renderer, "\\ldots{}");
+    break;
+  case 8216: // lsquo
+    if (escape == NORMAL) {
+      cmark_render_ascii(renderer, "`");
+    } else {
+      cmark_render_code_point(renderer, c);
+    }
+    break;
+  case 8217: // rsquo
+    if (escape == NORMAL) {
+      cmark_render_ascii(renderer, "\'");
+    } else {
+      cmark_render_code_point(renderer, c);
+    }
+    break;
+  case 8220: // ldquo
+    if (escape == NORMAL) {
+      cmark_render_ascii(renderer, "``");
+    } else {
+      cmark_render_code_point(renderer, c);
+    }
+    break;
+  case 8221: // rdquo
+    if (escape == NORMAL) {
+      cmark_render_ascii(renderer, "''");
+    } else {
+      cmark_render_code_point(renderer, c);
+    }
+    break;
+  case 8212: // emdash
+    if (escape == NORMAL) {
+      cmark_render_ascii(renderer, "---");
+    } else {
+      cmark_render_code_point(renderer, c);
+    }
+    break;
+  case 8211: // endash
+    if (escape == NORMAL) {
+      cmark_render_ascii(renderer, "--");
+    } else {
+      cmark_render_code_point(renderer, c);
+    }
+    break;
+  default:
+    cmark_render_code_point(renderer, c);
+  }
 }
 
-typedef enum  {
-	NO_LINK,
-	URL_AUTOLINK,
-	EMAIL_AUTOLINK,
-	NORMAL_LINK
-} link_type;
-
-static link_type
-get_link_type(cmark_node *node)
-{
-	size_t title_len, url_len;
-	cmark_node *link_text;
-	char *realurl;
-	int realurllen;
-	bool isemail = false;
-
-	if (node->type != CMARK_NODE_LINK) {
-		return NO_LINK;
-	}
-
-	const char* url = cmark_node_get_url(node);
-	cmark_chunk url_chunk = cmark_chunk_literal(url);
-
-	url_len = safe_strlen(url);
-	if (url_len == 0 || scan_scheme(&url_chunk, 0) == 0) {
-		return NO_LINK;
-	}
-
-	const char* title = cmark_node_get_title(node);
-	title_len = safe_strlen(title);
-	// if it has a title, we can't treat it as an autolink:
-	if (title_len > 0) {
-		return NORMAL_LINK;
-	}
-
-	link_text = node->first_child;
-	cmark_consolidate_text_nodes(link_text);
-	realurl = (char*)url;
-	realurllen = url_len;
-	if (strncmp(realurl, "mailto:", 7) == 0) {
-		realurl += 7;
-		realurllen -= 7;
-		isemail = true;
-	}
-	if (realurllen == link_text->as.literal.len &&
-	    strncmp(realurl,
-	            (char*)link_text->as.literal.data,
-	            link_text->as.literal.len) == 0) {
-		if (isemail) {
-			return EMAIL_AUTOLINK;
-		} else {
-			return URL_AUTOLINK;
-		}
-	} else {
-		return NORMAL_LINK;
-	}
+typedef enum { NO_LINK, URL_AUTOLINK, EMAIL_AUTOLINK, NORMAL_LINK } link_type;
+
+static link_type get_link_type(cmark_node *node) {
+  size_t title_len, url_len;
+  cmark_node *link_text;
+  char *realurl;
+  int realurllen;
+  bool isemail = false;
+
+  if (node->type != CMARK_NODE_LINK) {
+    return NO_LINK;
+  }
+
+  const char *url = cmark_node_get_url(node);
+  cmark_chunk url_chunk = cmark_chunk_literal(url);
+
+  url_len = safe_strlen(url);
+  if (url_len == 0 || scan_scheme(&url_chunk, 0) == 0) {
+    return NO_LINK;
+  }
+
+  const char *title = cmark_node_get_title(node);
+  title_len = safe_strlen(title);
+  // if it has a title, we can't treat it as an autolink:
+  if (title_len > 0) {
+    return NORMAL_LINK;
+  }
+
+  link_text = node->first_child;
+  cmark_consolidate_text_nodes(link_text);
+  realurl = (char *)url;
+  realurllen = url_len;
+  if (strncmp(realurl, "mailto:", 7) == 0) {
+    realurl += 7;
+    realurllen -= 7;
+    isemail = true;
+  }
+  if (realurllen == link_text->as.literal.len &&
+      strncmp(realurl, (char *)link_text->as.literal.data,
+              link_text->as.literal.len) == 0) {
+    if (isemail) {
+      return EMAIL_AUTOLINK;
+    } else {
+      return URL_AUTOLINK;
+    }
+  } else {
+    return NORMAL_LINK;
+  }
 }
 
-static int
-S_get_enumlevel(cmark_node *node)
-{
-	int enumlevel = 0;
-	cmark_node *tmp = node;
-	while (tmp) {
-		if (tmp->type == CMARK_NODE_LIST &&
-		    cmark_node_get_list_type(node) == CMARK_ORDERED_LIST) {
-			enumlevel++;
-		}
-		tmp = tmp->parent;
-	}
-	return enumlevel;
+static int S_get_enumlevel(cmark_node *node) {
+  int enumlevel = 0;
+  cmark_node *tmp = node;
+  while (tmp) {
+    if (tmp->type == CMARK_NODE_LIST &&
+        cmark_node_get_list_type(node) == CMARK_ORDERED_LIST) {
+      enumlevel++;
+    }
+    tmp = tmp->parent;
+  }
+  return enumlevel;
 }
 
-static int
-S_render_node(cmark_renderer *renderer,
-              cmark_node *node,
-              cmark_event_type ev_type,
-              int options)
-{
-	int list_number;
-	char list_number_string[20];
-	bool entering = (ev_type == CMARK_EVENT_ENTER);
-	cmark_list_type list_type;
-	const char* roman_numerals[] = { "", "i", "ii", "iii", "iv", "v",
-	                                 "vi", "vii", "viii", "ix", "x"
-	                               };
-
-	// avoid warning about unused parameter:
-	(void)(options);
-
-	switch (node->type) {
-	case CMARK_NODE_DOCUMENT:
-		break;
-
-	case CMARK_NODE_BLOCK_QUOTE:
-		if (entering) {
-			LIT("\\begin{quote}");
-			CR();
-		} else {
-			LIT("\\end{quote}");
-			BLANKLINE();
-		}
-		break;
-
-	case CMARK_NODE_LIST:
-		list_type = cmark_node_get_list_type(node);
-		if (entering) {
-			LIT("\\begin{");
-			LIT(list_type == CMARK_ORDERED_LIST ?
-			    "enumerate" : "itemize");
-			LIT("}");
-			CR();
-			list_number = cmark_node_get_list_start(node);
-			if (list_number > 1) {
-				sprintf(list_number_string,
-				        "%d", list_number);
-				LIT("\\setcounter{enum");
-				LIT((char *)roman_numerals[S_get_enumlevel(node)]);
-				LIT("}{");
-				OUT(list_number_string, false, NORMAL);
-				LIT("}");
-				CR();
-			}
-		} else {
-			LIT("\\end{");
-			LIT(list_type == CMARK_ORDERED_LIST ?
-			    "enumerate" : "itemize");
-			LIT("}");
-			BLANKLINE();
-		}
-		break;
-
-	case CMARK_NODE_ITEM:
-		if (entering) {
-			LIT("\\item ");
-		} else {
-			CR();
-		}
-		break;
-
-	case CMARK_NODE_HEADER:
-		if (entering) {
-			switch (cmark_node_get_header_level(node)) {
-			case 1:
-				LIT("\\section");
-				break;
-			case 2:
-				LIT("\\subsection");
-				break;
-			case 3:
-				LIT("\\subsubsection");
-				break;
-			case 4:
-				LIT("\\paragraph");
-				break;
-			case 5:
-				LIT("\\subparagraph");
-				break;
-			}
-			LIT("{");
-		} else {
-			LIT("}");
-			BLANKLINE();
-		}
-		break;
-
-	case CMARK_NODE_CODE_BLOCK:
-		CR();
-		LIT("\\begin{verbatim}");
-		CR();
-		OUT(cmark_node_get_literal(node), false, LITERAL);
-		CR();
-		LIT("\\end{verbatim}");
-		BLANKLINE();
-		break;
-
-	case CMARK_NODE_HTML:
-		break;
-
-	case CMARK_NODE_HRULE:
-		BLANKLINE();
-		LIT("\\begin{center}\\rule{0.5\\linewidth}{\\linethickness}\\end{center}");
-		BLANKLINE();
-		break;
-
-	case CMARK_NODE_PARAGRAPH:
-		if (!entering) {
-			BLANKLINE();
-		}
-		break;
-
-	case CMARK_NODE_TEXT:
-		OUT(cmark_node_get_literal(node), true, NORMAL);
-		break;
-
-	case CMARK_NODE_LINEBREAK:
-		LIT("\\\\");
-		CR();
-		break;
-
-	case CMARK_NODE_SOFTBREAK:
-		if (renderer->width == 0) {
-			CR();
-		} else {
-			OUT(" ", true, NORMAL);
-		}
-		break;
-
-	case CMARK_NODE_CODE:
-		LIT("\\texttt{");
-		OUT(cmark_node_get_literal(node), false, NORMAL);
-		LIT("}");
-		break;
-
-	case CMARK_NODE_INLINE_HTML:
-		break;
-
-	case CMARK_NODE_STRONG:
-		if (entering) {
-			LIT("\\textbf{");
-		} else {
-			LIT("}");
-		}
-		break;
-
-	case CMARK_NODE_EMPH:
-		if (entering) {
-			LIT("\\emph{");
-		} else {
-			LIT("}");
-		}
-		break;
-
-	case CMARK_NODE_LINK:
-		if (entering) {
-			const char* url = cmark_node_get_url(node);
-			// requires \usepackage{hyperref}
-			switch(get_link_type(node)) {
-			case URL_AUTOLINK:
-				LIT("\\url{");
-				OUT(url, false, URL);
-				break;
-			case EMAIL_AUTOLINK:
-				LIT("\\href{");
-				OUT(url, false, URL);
-				LIT("}\\nolinkurl{");
-				break;
-			case NORMAL_LINK:
-				LIT("\\href{");
-				OUT(url, false, URL);
-				LIT("}{");
-				break;
-			case NO_LINK:
-				LIT("{");  // error?
-			}
-		} else {
-			LIT("}");
-		}
-
-		break;
-
-	case CMARK_NODE_IMAGE:
-		if (entering) {
-			LIT("\\protect\\includegraphics{");
-			// requires \include{graphicx}
-			OUT(cmark_node_get_url(node), false, URL);
-			LIT("}");
-			return 0;
-		}
-		break;
-
-	default:
-		assert(false);
-		break;
-	}
-
-	return 1;
+static int S_render_node(cmark_renderer *renderer, cmark_node *node,
+                         cmark_event_type ev_type, int options) {
+  int list_number;
+  char list_number_string[20];
+  bool entering = (ev_type == CMARK_EVENT_ENTER);
+  cmark_list_type list_type;
+  const char *roman_numerals[] = {"",   "i",   "ii",   "iii", "iv", "v",
+                                  "vi", "vii", "viii", "ix",  "x"};
+
+  // avoid warning about unused parameter:
+  (void)(options);
+
+  switch (node->type) {
+  case CMARK_NODE_DOCUMENT:
+    break;
+
+  case CMARK_NODE_BLOCK_QUOTE:
+    if (entering) {
+      LIT("\\begin{quote}");
+      CR();
+    } else {
+      LIT("\\end{quote}");
+      BLANKLINE();
+    }
+    break;
+
+  case CMARK_NODE_LIST:
+    list_type = cmark_node_get_list_type(node);
+    if (entering) {
+      LIT("\\begin{");
+      LIT(list_type == CMARK_ORDERED_LIST ? "enumerate" : "itemize");
+      LIT("}");
+      CR();
+      list_number = cmark_node_get_list_start(node);
+      if (list_number > 1) {
+        sprintf(list_number_string, "%d", list_number);
+        LIT("\\setcounter{enum");
+        LIT((char *)roman_numerals[S_get_enumlevel(node)]);
+        LIT("}{");
+        OUT(list_number_string, false, NORMAL);
+        LIT("}");
+        CR();
+      }
+    } else {
+      LIT("\\end{");
+      LIT(list_type == CMARK_ORDERED_LIST ? "enumerate" : "itemize");
+      LIT("}");
+      BLANKLINE();
+    }
+    break;
+
+  case CMARK_NODE_ITEM:
+    if (entering) {
+      LIT("\\item ");
+    } else {
+      CR();
+    }
+    break;
+
+  case CMARK_NODE_HEADER:
+    if (entering) {
+      switch (cmark_node_get_header_level(node)) {
+      case 1:
+        LIT("\\section");
+        break;
+      case 2:
+        LIT("\\subsection");
+        break;
+      case 3:
+        LIT("\\subsubsection");
+        break;
+      case 4:
+        LIT("\\paragraph");
+        break;
+      case 5:
+        LIT("\\subparagraph");
+        break;
+      }
+      LIT("{");
+    } else {
+      LIT("}");
+      BLANKLINE();
+    }
+    break;
+
+  case CMARK_NODE_CODE_BLOCK:
+    CR();
+    LIT("\\begin{verbatim}");
+    CR();
+    OUT(cmark_node_get_literal(node), false, LITERAL);
+    CR();
+    LIT("\\end{verbatim}");
+    BLANKLINE();
+    break;
+
+  case CMARK_NODE_HTML:
+    break;
+
+  case CMARK_NODE_HRULE:
+    BLANKLINE();
+    LIT("\\begin{center}\\rule{0.5\\linewidth}{\\linethickness}\\end{center}");
+    BLANKLINE();
+    break;
+
+  case CMARK_NODE_PARAGRAPH:
+    if (!entering) {
+      BLANKLINE();
+    }
+    break;
+
+  case CMARK_NODE_TEXT:
+    OUT(cmark_node_get_literal(node), true, NORMAL);
+    break;
+
+  case CMARK_NODE_LINEBREAK:
+    LIT("\\\\");
+    CR();
+    break;
+
+  case CMARK_NODE_SOFTBREAK:
+    if (renderer->width == 0) {
+      CR();
+    } else {
+      OUT(" ", true, NORMAL);
+    }
+    break;
+
+  case CMARK_NODE_CODE:
+    LIT("\\texttt{");
+    OUT(cmark_node_get_literal(node), false, NORMAL);
+    LIT("}");
+    break;
+
+  case CMARK_NODE_INLINE_HTML:
+    break;
+
+  case CMARK_NODE_STRONG:
+    if (entering) {
+      LIT("\\textbf{");
+    } else {
+      LIT("}");
+    }
+    break;
+
+  case CMARK_NODE_EMPH:
+    if (entering) {
+      LIT("\\emph{");
+    } else {
+      LIT("}");
+    }
+    break;
+
+  case CMARK_NODE_LINK:
+    if (entering) {
+      const char *url = cmark_node_get_url(node);
+      // requires \usepackage{hyperref}
+      switch (get_link_type(node)) {
+      case URL_AUTOLINK:
+        LIT("\\url{");
+        OUT(url, false, URL);
+        break;
+      case EMAIL_AUTOLINK:
+        LIT("\\href{");
+        OUT(url, false, URL);
+        LIT("}\\nolinkurl{");
+        break;
+      case NORMAL_LINK:
+        LIT("\\href{");
+        OUT(url, false, URL);
+        LIT("}{");
+        break;
+      case NO_LINK:
+        LIT("{"); // error?
+      }
+    } else {
+      LIT("}");
+    }
+
+    break;
+
+  case CMARK_NODE_IMAGE:
+    if (entering) {
+      LIT("\\protect\\includegraphics{");
+      // requires \include{graphicx}
+      OUT(cmark_node_get_url(node), false, URL);
+      LIT("}");
+      return 0;
+    }
+    break;
+
+  default:
+    assert(false);
+    break;
+  }
+
+  return 1;
 }
 
-char *cmark_render_latex(cmark_node *root, int options, int width)
-{
-	return cmark_render(root, options, width, outc, S_render_node);
+char *cmark_render_latex(cmark_node *root, int options, int width) {
+  return cmark_render(root, options, width, outc, S_render_node);
 }