--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/helpgen/cout.c	Sat Dec 22 17:52:45 2007 -0500
@@ -0,0 +1,128 @@
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "topic.h"
+#include "helpgen.h"
+
+static void dumpstring(FILE *f, const char *s, int multiline) {
+  int column = 0;
+  unsigned char ch;
+
+  while (*s) {
+    if (column == 0) {
+      if (multiline) fprintf(f, "  ");
+      fprintf(f, "\"");
+    }
+    ch = *s++;
+
+    if (ch >= 32 && ch < 127 && ch != '"' && ch != '\\') {
+      fprintf(f, "%c", ch);
+      column++;
+    }
+    else if (ch == '\n') {
+      fprintf(f, "\\n");
+      column += 2;
+    }
+    else {
+      assert(ch != '\r');
+      fprintf(f, "\\%03o", ch);
+      column += 4;
+    }
+
+    if (multiline && column > 72) {
+      fprintf(f, "\"\n");
+      column = 0;
+    }
+  }
+
+  if (column) {
+    fprintf(f, "\"");
+    if (multiline) fprintf(f, "\n");
+  }
+}
+
+static void fcout(FILE *f, struct topic **topics, int ntopics) {
+  int i, j, n;
+  unsigned numentries = 0;
+
+  fprintf(f, "/* Automatically generated - do not edit */\n\n");
+
+  fprintf(f, "struct HelpTopic {\n");
+  fprintf(f, "  const char *title;\n");
+  fprintf(f, "  const char *body;\n");
+  fprintf(f, "};\n\n");
+
+
+  for (i=0; i<ntopics; i++) {
+    struct topic *t = topics[i];
+    const char *title = topic_gettitle(t, 0);
+    const char *body = topic_getbody(t); 
+
+    if (!body) body = "";
+
+    fprintf(f, "static const char body_%d[] = \n", i);
+    dumpstring(f, body, 1 /* multiline */);
+    fprintf(f, ";\n");
+
+    fprintf(f, "static const HelpTopic topic_%d = \n  { ", i);
+    dumpstring(f, title, 0 /* not multiline */);
+    fprintf(f, ", body_%d };\n\n", i);
+  }
+
+
+  fprintf(f, "static const char *topiclist[] = {\n");
+  for (i=0; i<ntopics; i++) {
+    struct topic *t = topics[i];
+    const char *title = topic_gettitle(t, 0);
+
+    fprintf(f, "  ");
+    dumpstring(f, title, 0 /* not multiline */);
+    fprintf(f, ",\n");
+  }
+  fprintf(f, "};\n");
+  fprintf(f, "static const unsigned numtopiclist = %d;\n\n", ntopics);
+
+
+  fprintf(f, "struct helpentry {\n");
+  fprintf(f, "  const char *topic;\n");
+  fprintf(f, "  const HelpTopic *data;\n");
+  fprintf(f, "};\n\n");
+
+  fprintf(f, "static helpentry helptable[] = {\n");
+  for (i=0; i<ntopics; i++) {
+    struct topic *t = topics[i];
+
+    n = topic_getnumtitles(t);
+    for (j=0; j<n; j++) {
+      fprintf(f, "{ ");
+      dumpstring(f, topic_gettitle(t, j), 0 /* not multiline */);
+      fprintf(f, ", &topic_%d },\n", i);
+      numentries++;
+    }
+  }
+  fprintf(f, "};\n");
+  fprintf(f, "static const unsigned helptablenum = %u;\n\n", numentries);
+}
+
+void cout(const char *file, struct topic **topics, int ntopics) {
+  FILE *f;
+
+  f = fopen(file, "w");
+  if (!f) {
+    fprintf(stderr, "%s: fopen failed", file);
+    exit(1);
+  }
+
+  fcout(f, topics, ntopics);
+
+  if (ferror(f)) {
+    fprintf(stderr, "%s: write error", file);
+    exit(1);
+  }
+  if (fclose(f)) {
+    fprintf(stderr, "%s: fclose failed", file);
+    exit(1);
+  }
+}