--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/frontend.c Wed Aug 31 14:41:56 2016 +0200
@@ -0,0 +1,185 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright 2016 Mike Becker. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+
+#include "c2html.h"
+#include "ucx/utils.h"
+
+#define FILEBUF_SIZE 4096
+
+typedef struct {
+ char* outfilename;
+ char* headerfile;
+ char* footerfile;
+ char* infilename;
+ int showlinenumbers;
+} Settings;
+
+static int appendfile(const char *filename, FILE *fout,
+ char *copybuf, size_t copybuflen, const char *errmsg) {
+ FILE *headerfile = fopen(filename, "r");
+ if (!headerfile) {
+ perror(errmsg);
+ if (fout != stdout) {
+ fclose(fout);
+ }
+ return 1;
+ }
+ ucx_stream_copy(headerfile, fout,
+ (read_func) fread, (write_func) fwrite,
+ copybuf, copybuflen, (size_t)-1);
+ fclose(headerfile);
+ return 0;
+}
+
+static void printhelp() {
+ printf("Formats source code using HTML.\n\nUsage:\n"
+ " c2html [Options] FILE\n\n"
+ " Options:\n"
+ " -h Prints this help message\n"
+ " -j Highlight Java instead of C source code\n"
+ " -o <output> Output file (stdout, if not specified)\n"
+ " -H <header> Prepend header file\n"
+ " -F <footer> Append footer file\n"
+ " -p Disable highlighting (plain text)\n"
+ " -l Disable line numbers\n"
+ " -V, -v Prints version and exits\n"
+ "\n");
+}
+
+int main(int argc, char** argv) {
+
+ /* Default settings */
+ Settings settings;
+ memset(&settings, 0, sizeof(settings));
+ settings.showlinenumbers = 1;
+ c2html_highlighter_func hltr = c2html_c_highlighter;
+
+ /* Parse command line */
+ char optc;
+ while ((optc = getopt(argc, argv, "hljo:pH:F:vV")) != -1) {
+ switch (optc) {
+ case 'o':
+ if (!(optarg[0] == '-' && optarg[1] == 0)) {
+ settings.outfilename = optarg;
+ }
+ break;
+ case 'F':
+ settings.footerfile = optarg;
+ break;
+ case 'H':
+ settings.headerfile = optarg;
+ break;
+ case 'j':
+ hltr = c2html_java_highlighter;
+ break;
+ case 'p':
+ hltr = c2html_plain_highlighter;
+ break;
+ case 'l':
+ settings.showlinenumbers = 0;
+ break;
+ case 'h':
+ printhelp();
+ return EXIT_SUCCESS;
+ case 'v':
+ case 'V':
+#ifdef VERSION_DEVELOP
+ printf("%d.%d (unstable)\n", VERSION_MAJOR, VERSION_MINOR);
+#else
+ printf("%d.%d\n", VERSION_MAJOR, VERSION_MINOR);
+#endif
+ return EXIT_SUCCESS;
+ default:
+ return EXIT_FAILURE;
+ }
+ }
+
+ if (optind != argc-1) {
+ printhelp();
+ return EXIT_FAILURE;
+ } else {
+ /* Open output file */
+ settings.infilename = argv[optind];
+ FILE *fout;
+ if (settings.outfilename) {
+ fout = fopen(settings.outfilename, "w");
+ if (!fout) {
+ perror("Error opening output file");
+ return EXIT_FAILURE;
+ }
+ } else {
+ fout = stdout;
+ }
+
+ /* Allocate file buffer */
+ char *filebuf = malloc(FILEBUF_SIZE);
+ if (!filebuf) {
+ perror("Error allocating file buffer");
+ return EXIT_FAILURE;
+ }
+
+ /* Prepend header file */
+ if (appendfile(settings.headerfile, fout, filebuf, FILEBUF_SIZE,
+ "Error opening header file")) {
+ return EXIT_FAILURE;
+ }
+
+ /* Process input file */
+ FILE *inputfile = fopen(settings.infilename, "r");
+ if (inputfile) {
+ c2html_fformat_file(
+ inputfile, filebuf, FILEBUF_SIZE,
+ fout, hltr, settings.showlinenumbers
+ );
+ fclose(inputfile);
+ } else {
+ perror("Error opening input file");
+ if (fout != stdout) {
+ fclose(fout);
+ }
+ return EXIT_FAILURE;
+ }
+
+ /* Append footer file */
+ if (appendfile(settings.footerfile, fout, filebuf, FILEBUF_SIZE,
+ "Error opening footer file")) {
+ return EXIT_FAILURE;
+ }
+
+ free(filebuf);
+
+ return EXIT_SUCCESS;
+ }
+}
+