--- /dev/null
+/*
+ * "$Id: rfctohtml.c 4966 2006-01-23 00:41:22Z mike $"
+ *
+ * RFC file to HTML conversion program.
+ *
+ * Copyright 2006 by Easy Software Products.
+ *
+ * These coded instructions, statements, and computer programs are the
+ * property of Easy Software Products and are protected by Federal
+ * copyright law. Distribution and use rights are outlined in the file
+ * "LICENSE.txt" which should have been included with this file. If this
+ * file is missing or damaged please contact Easy Software Products
+ * at:
+ *
+ * Attn: CUPS Licensing Information
+ * Easy Software Products
+ * 44141 Airport View Drive, Suite 204
+ * Hollywood, Maryland 20636 USA
+ *
+ * Voice: (301) 373-9600
+ * EMail: cups-info@cups.org
+ * WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ */
+
+/*
+ * Include necessary headers.
+ */
+
+#include <cups/string.h>
+#include <stdlib.h>
+#include <cups/file.h>
+
+
+/*
+ * Local functions...
+ */
+
+void put_entity(cups_file_t *fp, int ch);
+void put_line(cups_file_t *fp, const char *line);
+
+
+/*
+ * 'main()' - Convert a man page to HTML.
+ */
+
+int /* O - Exit status */
+main(int argc, /* I - Number of command-line args */
+ char *argv[]) /* I - Command-line arguments */
+{
+ cups_file_t *infile, /* Input file */
+ *outfile; /* Output file */
+ char line[1024], /* Line from file */
+ *lineptr, /* Pointer into line */
+ name[1024], /* Heading anchor name */
+ *nameptr; /* Pointer into anchor name */
+ int inheading, /* Inside a heading? */
+ inpre, /* Inside preformatted text? */
+ intoc, /* Inside table-of-contents? */
+ toclevel, /* Current table-of-contents level */
+ linenum; /* Current line on page */
+
+
+ /*
+ * Check arguments...
+ */
+
+ if (argc > 3)
+ {
+ fputs("Usage: rfctohtml [rfcNNNN.txt [rfcNNNN.html]]\n", stderr);
+ return (1);
+ }
+
+ /*
+ * Open files as needed...
+ */
+
+ if (argc > 1)
+ {
+ if ((infile = cupsFileOpen(argv[1], "r")) == NULL)
+ {
+ perror(argv[1]);
+ return (1);
+ }
+ }
+ else
+ infile = cupsFileOpenFd(0, "r");
+
+ if (argc > 2)
+ {
+ if ((outfile = cupsFileOpen(argv[2], "w")) == NULL)
+ {
+ perror(argv[2]);
+ cupsFileClose(infile);
+ return (1);
+ }
+ }
+ else
+ outfile = cupsFileOpenFd(1, "w");
+
+ /*
+ * Read from input and write the output...
+ */
+
+ cupsFilePuts(outfile,
+ "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0 Transitional//EN\" "
+ "\"http://www.w3.org/TR/REC-html40/loose.dtd\">\n"
+ "<html>\n"
+ "<!-- SECTION: Specifications -->\n"
+ "<head>\n"
+ "\t<style type='text/css'><!--\n"
+ "\th1, h2, h3 { font-family: sans-serif; }\n"
+ "\tp, pre { font-family: monospace; }\n"
+ "\th1.title, h2.title, h3.title { border-bottom: solid "
+ "2px #000000; }\n"
+ "\t--></style>\n");
+
+ /*
+ * Skip the initial header stuff (working group ID, RFC #, authors, and
+ * copyright...
+ */
+
+ linenum = 0;
+
+ while (cupsFileGets(infile, line, sizeof(line)))
+ {
+ linenum ++;
+
+ if (line[0])
+ break;
+ }
+
+ while (cupsFileGets(infile, line, sizeof(line)))
+ {
+ linenum ++;
+
+ if (!line[0])
+ break;
+ }
+
+ /*
+ * Read the document title...
+ */
+
+ while (cupsFileGets(infile, line, sizeof(line)))
+ {
+ linenum ++;
+
+ if (line[0])
+ break;
+ }
+
+ for (lineptr = line; isspace(*lineptr & 255); lineptr ++);
+
+ cupsFilePrintf(outfile, "<title>%s", lineptr);
+
+ while (cupsFileGets(infile, line, sizeof(line)))
+ {
+ linenum ++;
+
+ if (!line[0])
+ break;
+ else
+ {
+ for (lineptr = line; isspace(*lineptr & 255); lineptr ++);
+ cupsFilePrintf(outfile, " %s", lineptr);
+ }
+ }
+
+ cupsFilePuts(outfile, "</title>\n"
+ "</head>\n"
+ "<body>\n");
+
+ /*
+ * Read the rest of the file...
+ */
+
+ inheading = 0;
+ inpre = 0;
+ intoc = 0;
+ toclevel = 0;
+
+ while (cupsFileGets(infile, line, sizeof(line)))
+ {
+ linenum ++;
+
+ if (!line[0])
+ {
+ if (linenum > 50)
+ continue;
+
+ if (inpre)
+ {
+ cupsFilePuts(outfile, "</pre>\n");
+ inpre = 0;
+ }
+
+ if (inheading)
+ {
+ if (inheading < 0)
+ cupsFilePuts(outfile, "</h1>\n");
+ else
+ cupsFilePrintf(outfile, "</a></h%d>\n", inheading);
+
+ inheading = 0;
+ }
+ }
+ else if ((line[0] == ' ' ||
+ (!isupper(line[0] & 255) && !isdigit(line[0] & 255) &&
+ !strstr(line, "[Page "))) && !inheading)
+ {
+ if (inheading)
+ {
+ if (inheading < 0)
+ cupsFilePuts(outfile, "</h1>\n");
+ else
+ cupsFilePrintf(outfile, "</a></h%d>\n", inheading);
+
+ inheading = 0;
+ }
+
+ for (lineptr = line; *lineptr == ' '; lineptr ++);
+
+ if (intoc)
+ {
+ char *temp; /* Temporary pointer into line */
+ int level; /* Heading level */
+
+
+ if (isdigit(*lineptr & 255))
+ {
+ strlcpy(name, lineptr, sizeof(name));
+
+ for (nameptr = name, level = -1; *nameptr;)
+ if (isdigit(*nameptr & 255))
+ {
+ while (isdigit(*nameptr & 255))
+ nameptr ++;
+
+ level ++;
+ }
+ else if (*nameptr == ' ')
+ {
+ *nameptr = '\0';
+ break;
+ }
+ else
+ nameptr ++;
+
+ while (toclevel > level)
+ {
+ cupsFilePuts(outfile, "\n</ul>");
+ toclevel --;
+ }
+
+ while (toclevel < level)
+ {
+ cupsFilePuts(outfile, "\n<ul style=\"list-style-type: none;\">\n");
+ toclevel ++;
+ }
+
+ cupsFilePrintf(outfile, "\n<%s><a href=\"#s%s\">", toclevel ? "li" : "p",
+ name);
+ }
+
+ temp = lineptr + strlen(lineptr) - 1;
+
+ while (temp > lineptr)
+ if (*temp == ' ' || !isdigit(*temp & 255))
+ break;
+ else
+ temp --;
+
+ if (*temp == ' ')
+ {
+ while (temp > lineptr)
+ if (*temp != ' ' && *temp != '.')
+ break;
+ else
+ *temp-- = '\0';
+ }
+ else
+ temp = NULL;
+
+ if (isdigit(*lineptr & 255))
+ put_line(outfile, lineptr);
+ else
+ put_line(outfile, lineptr - 1);
+
+ if (temp)
+ cupsFilePuts(outfile, "</a>");
+ }
+ else if (!inpre)
+ {
+ cupsFilePuts(outfile, "\n<pre>");
+ put_line(outfile, line);
+ inpre = 1;
+ }
+ else
+ {
+ cupsFilePutChar(outfile, '\n');
+ put_line(outfile, line);
+ }
+ }
+ else if (strstr(line, "[Page "))
+ {
+ /*
+ * Skip page footer and header...
+ */
+
+ cupsFileGets(infile, line, sizeof(line));
+ cupsFileGets(infile, line, sizeof(line));
+ cupsFileGets(infile, line, sizeof(line));
+ cupsFileGets(infile, line, sizeof(line));
+ linenum = 3;
+ }
+ else if (isdigit(line[0] & 255) && !inheading)
+ {
+ int level; /* Heading level */
+
+
+ if (intoc)
+ {
+ while (toclevel > 0)
+ {
+ cupsFilePuts(outfile, "\n</ul>");
+ toclevel --;
+ }
+
+ cupsFilePutChar(outfile, '\n');
+ intoc = 0;
+ }
+
+ if (inpre)
+ {
+ cupsFilePuts(outfile, "</pre>\n");
+ inpre = 0;
+ }
+
+ strlcpy(name, line, sizeof(name));
+ for (nameptr = name, level = 0; *nameptr;)
+ if (isdigit(*nameptr & 255))
+ {
+ while (isdigit(*nameptr & 255))
+ nameptr ++;
+
+ level ++;
+ }
+ else if (*nameptr == ' ')
+ {
+ *nameptr = '\0';
+ break;
+ }
+ else
+ nameptr ++;
+
+ cupsFilePrintf(outfile, "\n<h%d class='title'><a name='s%s'>", level, name);
+ put_line(outfile, line);
+
+ intoc = 0;
+ inheading = level;
+ }
+ else
+ {
+ if (intoc)
+ {
+ while (toclevel > 0)
+ {
+ cupsFilePuts(outfile, "\n</ul>");
+ toclevel --;
+ }
+
+ cupsFilePutChar(outfile, '\n');
+ intoc = 0;
+ }
+
+ if (!inheading)
+ {
+ cupsFilePuts(outfile, "\n<h1 class='title'>");
+ inheading = -1;
+ }
+
+ put_line(outfile, line);
+
+ intoc = !strcasecmp(line, "Table of Contents");
+ toclevel = 0;
+ }
+ }
+
+ if (inpre)
+ cupsFilePuts(outfile, "</pre>\n");
+
+ if (inheading)
+ {
+ if (inheading < 0)
+ cupsFilePuts(outfile, "</h1>\n");
+ else
+ cupsFilePrintf(outfile, "</a></h%d>\n", inheading);
+ }
+
+ cupsFilePuts(outfile, "</body>\n"
+ "</html>\n");
+
+ /*
+ * Close files...
+ */
+
+ cupsFileClose(infile);
+ cupsFileClose(outfile);
+
+ /*
+ * Return with no errors...
+ */
+
+ return (0);
+}
+
+
+/*
+ * 'put_entity()' - Put a single character, using entities as needed.
+ */
+
+void
+put_entity(cups_file_t *fp, /* I - File */
+ int ch) /* I - Character */
+{
+ if (ch == '&')
+ cupsFilePuts(fp, "&");
+ else if (ch == '<')
+ cupsFilePuts(fp, "<");
+ else
+ cupsFilePutChar(fp, ch);
+}
+
+
+/*
+ * 'put_line()' - Put a whole string for a line.
+ */
+
+void
+put_line(cups_file_t *fp, /* I - File */
+ const char *s) /* I - String */
+{
+ int whitespace, /* Saw whitespace */
+ i, /* Looping var */
+ len; /* Length of keyword */
+ static const char * const keywords[] =/* Special keywords to boldface */
+ {
+ "MAY",
+ "MUST",
+ "NOT",
+ "SHALL",
+ "SHOULD"
+ };
+
+
+ whitespace = 1;
+
+ while (*s)
+ {
+ if (*s == ' ')
+ whitespace = 1;
+
+ if (whitespace && isupper(*s & 255))
+ {
+ whitespace = 0;
+
+ for (i = 0; i < (int)(sizeof(keywords) / sizeof(sizeof(keywords[0]))); i ++)
+ {
+ len = strlen(keywords[i]);
+ if (!strncmp(s, keywords[i], len) && (isspace(s[len] & 255) || !*s))
+ {
+ cupsFilePrintf(fp, "<b>%s</b>", keywords[i]);
+ s += len;
+ break;
+ }
+ }
+
+ if (i >= (int)(sizeof(keywords) / sizeof(sizeof(keywords[0]))))
+ put_entity(fp, *s++);
+ }
+ else
+ {
+ if (*s != ' ')
+ whitespace = 0;
+
+ put_entity(fp, *s++);
+ }
+ }
+}
+
+
+/*
+ * End of "$Id: rfctohtml.c 4966 2006-01-23 00:41:22Z mike $".
+ */
projects / thirdparty / cups.git / blobdiff