Move hilex out of hilex directory

1 files changed, 0 insertions, 316 deletions

diff --git a/bin/hilex/hilex.c b/bin/hilex/hilex.c
deleted file mode 100644
index d9b747cc..00000000
--- a/bin/hilex/hilex.c
+++ /dev/null
@@ -1,316 +0,0 @@
-/* Copyright (C) 2020  June McEnroe <june@causal.agency>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <assert.h>
-#include <ctype.h>
-#include <err.h>
-#include <regex.h>
-#include <stdbool.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sysexits.h>
-#include <unistd.h>
-
-#include "hilex.h"
-
-#define ARRAY_LEN(a) (sizeof(a) / sizeof(a[0]))
-
-static const char *Class[] = {
-#define X(class) [class] = #class,
-	ENUM_CLASS
-#undef X
-};
-
-static const struct {
-	const struct Lexer *lexer;
-	const char *name;
-	const char *pattern;
-} Lexers[] = {
-	{ &LexC, "c", "[.][chlmy]$" },
-	{ &LexMake, "make", "[.]mk$|^Makefile$" },
-	{ &LexMdoc, "mdoc", "[.][1-9]$" },
-	{ &LexText, "text", "[.]txt$" },
-};
-
-static const struct Lexer *parseLexer(const char *name) {
-	for (size_t i = 0; i < ARRAY_LEN(Lexers); ++i) {
-		if (!strcmp(name, Lexers[i].name)) return Lexers[i].lexer;
-	}
-	errx(EX_USAGE, "unknown lexer %s", name);
-}
-
-static const struct Lexer *matchLexer(const char *name) {
-	regex_t regex;
-	for (size_t i = 0; i < ARRAY_LEN(Lexers); ++i) {
-		int error = regcomp(
-			&regex, Lexers[i].pattern, REG_EXTENDED | REG_NOSUB
-		);
-		assert(!error);
-		error = regexec(&regex, name, 0, NULL, 0);
-		regfree(&regex);
-		if (!error) return Lexers[i].lexer;
-	}
-	return NULL;
-}
-
-#define ENUM_OPTION \
-	X(Document, "document") \
-	X(Inline, "inline") \
-	X(Monospace, "monospace") \
-	X(Style, "style") \
-	X(Tab, "tab") \
-	X(Title, "title")
-
-enum Option {
-#define X(option, key) option,
-	ENUM_OPTION
-#undef X
-	OptionCap,
-};
-
-typedef void Header(const char *opts[]);
-typedef void Format(const char *opts[], enum Class class, const char *text);
-
-static const char *SGR[ClassCap] = {
-	[Keyword]       = "37",
-	[Macro]         = "32",
-	[Comment]       = "34",
-	[String]        = "36",
-	[StringFormat]  = "36;1;96",
-	[Interpolation] = "33",
-};
-
-static void ansiFormat(const char *opts[], enum Class class, const char *text) {
-	(void)opts;
-	if (!SGR[class]) {
-		printf("%s", text);
-		return;
-	}
-	// Set color on each line for piping to less -R:
-	for (const char *nl; (nl = strchr(text, '\n')); text = &nl[1]) {
-		printf("\33[%sm%.*s\33[m\n", SGR[class], (int)(nl - text), text);
-	}
-	if (*text) printf("\33[%sm%s\33[m", SGR[class], text);
-}
-
-static void
-debugFormat(const char *opts[], enum Class class, const char *text) {
-	if (class != Normal) {
-		printf("%s(", Class[class]);
-		ansiFormat(opts, class, text);
-		printf(")");
-	} else {
-		printf("%s", text);
-	}
-}
-
-static const char *IRC[ClassCap] = {
-	[Keyword]       = "\00315",
-	[Macro]         = "\0033",
-	[Comment]       = "\0032",
-	[String]        = "\00310",
-	[StringFormat]  = "\00311",
-	[Interpolation] = "\0037",
-};
-
-static void ircHeader(const char *opts[]) {
-	if (opts[Monospace]) printf("\21");
-}
-
-static const char *stop(const char *text) {
-	return (*text == ',' || isdigit(*text) ? "\2\2" : "");
-}
-
-static void ircFormat(const char *opts[], enum Class class, const char *text) {
-	for (const char *nl; (nl = strchr(text, '\n')); text = &nl[1]) {
-		if (IRC[class]) printf("%s%s", IRC[class], stop(text));
-		printf("%.*s\n", (int)(nl - text), text);
-		if (opts[Monospace]) printf("\21");
-	}
-	if (*text) {
-		if (IRC[class]) {
-			printf("%s%s%s\17", IRC[class], stop(text), text);
-			if (opts[Monospace]) printf("\21");
-		} else {
-			printf("%s", text);
-		}
-	}
-}
-
-static void htmlEscape(const char *text) {
-	while (*text) {
-		switch (*text) {
-			break; case '"': text++; printf("&quot;");
-			break; case '&': text++; printf("&amp;");
-			break; case '<': text++; printf("&lt;");
-		}
-		size_t len = strcspn(text, "\"&<");
-		if (len) fwrite(text, len, 1, stdout);
-		text += len;
-	}
-}
-
-static const char *Styles[ClassCap] = {
-	[Keyword]       = "color: dimgray;",
-	[Macro]         = "color: green;",
-	[Comment]       = "color: navy;",
-	[String]        = "color: teal;",
-	[StringFormat]  = "color: teal; font-weight: bold;",
-	[Interpolation] = "color: olive;",
-};
-
-static void styleTabSize(const char *tab) {
-	printf("-moz-tab-size: ");
-	htmlEscape(tab);
-	printf("; tab-size: ");
-	htmlEscape(tab);
-	printf(";");
-}
-
-static void htmlHeader(const char *opts[]) {
-	if (!opts[Document]) goto body;
-
-	printf("<!DOCTYPE html>\n<title>");
-	if (opts[Title]) htmlEscape(opts[Title]);
-	printf("</title>\n");
-
-	if (opts[Style]) {
-		printf("<link rel=\"stylesheet\" href=\"");
-		htmlEscape(opts[Style]);
-		printf("\">\n");
-	} else if (!opts[Inline]) {
-		printf("<style>\n");
-		if (opts[Tab]) {
-			printf("pre.hilex { ");
-			styleTabSize(opts[Tab]);
-			printf(" }\n");
-		}
-		for (enum Class class = 0; class < ClassCap; ++class) {
-			if (!Styles[class]) continue;
-			printf(".hilex.%s { %s }\n", Class[class], Styles[class]);
-		}
-		printf("</style>\n");
-	}
-
-body:
-	if (opts[Inline] && opts[Tab]) {
-		printf("<pre class=\"hilex\" style=\"");
-		styleTabSize(opts[Tab]);
-		printf("\">");
-	} else {
-		printf("<pre class=\"hilex\">");
-	}
-}
-
-static void htmlFooter(const char *opts[]) {
-	printf("</pre>");
-	if (opts[Document]) printf("\n");
-}
-
-static void htmlFormat(const char *opts[], enum Class class, const char *text) {
-	if (class != Normal) {
-		if (opts[Inline]) {
-			printf("<span style=\"%s\">", Styles[class] ? Styles[class] : "");
-		} else {
-			printf("<span class=\"hilex %s\">", Class[class]);
-		}
-		htmlEscape(text);
-		printf("</span>");
-	} else {
-		htmlEscape(text);
-	}
-}
-
-static const struct Formatter {
-	const char *name;
-	Header *header;
-	Format *format;
-	Header *footer;
-} Formatters[] = {
-	{ "ansi", NULL, ansiFormat, NULL },
-	{ "debug", NULL, debugFormat, NULL },
-	{ "html", htmlHeader, htmlFormat, htmlFooter },
-	{ "irc", ircHeader, ircFormat, NULL },
-};
-
-static const struct Formatter *parseFormatter(const char *name) {
-	for (size_t i = 0; i < ARRAY_LEN(Formatters); ++i) {
-		if (!strcmp(name, Formatters[i].name)) return &Formatters[i];
-	}
-	errx(EX_USAGE, "unknown formatter %s", name);
-}
-
-static char *const OptionKeys[OptionCap + 1] = {
-#define X(option, key) [option] = key,
-	ENUM_OPTION
-#undef X
-	NULL,
-};
-
-int main(int argc, char *argv[]) {
-	bool text = false;
-	const char *name = NULL;
-	const struct Lexer *lexer = NULL;
-	const struct Formatter *formatter = &Formatters[0];
-	const char *opts[OptionCap] = {0};
-
-	for (int opt; 0 < (opt = getopt(argc, argv, "f:l:n:o:t"));) {
-		switch (opt) {
-			break; case 'f': formatter = parseFormatter(optarg);
-			break; case 'l': lexer = parseLexer(optarg);
-			break; case 'n': name = optarg;
-			break; case 'o': {
-				while (*optarg) {
-					char *val;
-					int key = getsubopt(&optarg, OptionKeys, &val);
-					if (key < 0) errx(EX_USAGE, "no such option %s", val);
-					opts[key] = (val ? val : "");
-				}
-			}
-			break; case 't': text = true;
-			break; default:  return EX_USAGE;
-		}
-	}
-
-	const char *path = "(stdin)";
-	FILE *file = stdin;
-	if (optind < argc) {
-		path = argv[optind];
-		file = fopen(path, "r");
-		if (!file) err(EX_NOINPUT, "%s", path);
-	}
-
-	if (!name) {
-		if (NULL != (name = strrchr(path, '/'))) {
-			name++;
-		} else {
-			name = path;
-		}
-	}
-	if (!opts[Title]) opts[Title] = name;
-	if (!lexer) lexer = matchLexer(name);
-	if (!lexer && text) lexer = &LexText;
-	if (!lexer) errx(EX_USAGE, "cannot infer lexer for %s", name);
-
-	*lexer->in = file;
-	if (formatter->header) formatter->header(opts);
-	for (enum Class class; None != (class = lexer->lex());) {
-		assert(class < ClassCap);
-		formatter->format(opts, class, *lexer->text);
-	}
-	if (formatter->footer) formatter->footer(opts);
-}