Man-page back end for Halibut. Also, a couple of additional markup

[sgt/halibut] / bk_whlp.c

diff --git a/bk_whlp.c b/bk_whlp.c
index f4b1b2d..a21ac04 100644 (file)
--- a/bk_whlp.c
+++ b/bk_whlp.c
@@ -50,6 +50,7 @@ void whlp_backend(paragraph *sourceform, keywordlist *keywords,
     struct bk_whlp_state state;
     WHLP_TOPIC contents_topic;
     int i;
+    int nesting;
     indexentry *ie;
 
     filename = "output.hlp";          /* FIXME: configurability */
@@ -216,6 +217,7 @@ void whlp_backend(paragraph *sourceform, keywordlist *keywords,
      * Now we've done the contents page, we're ready to go through
      * and do the main manual text. Ooh.
      */
+    nesting = 0;
     for (p = sourceform; p; p = p->next) switch (p->type) {
        /*
         * Things we ignore because we've already processed them or
@@ -231,6 +233,14 @@ void whlp_backend(paragraph *sourceform, keywordlist *keywords,
       case para_Title:
        break;
 
+      case para_LcontPush:
+       nesting++;
+       break;
+      case para_LcontPop:
+       assert(nesting > 0);
+       nesting--;
+       break;
+
        /*
         * Chapter and section titles: start a new Help topic.
         */
@@ -343,12 +353,14 @@ void whlp_backend(paragraph *sourceform, keywordlist *keywords,
        break;
 
       case para_Normal:
+      case para_DescribedThing:
+      case para_Description:
       case para_BiblioCited:
       case para_Bullet:
       case para_NumberedList:
        whlp_para_attr(h, WHLP_PARA_SPACEBELOW, 12);
        if (p->type == para_Bullet || p->type == para_NumberedList) {
-           whlp_para_attr(h, WHLP_PARA_LEFTINDENT, 72);
+           whlp_para_attr(h, WHLP_PARA_LEFTINDENT, 72*nesting + 72);
            whlp_para_attr(h, WHLP_PARA_FIRSTLINEINDENT, -36);
            whlp_set_tabstop(h, 72, WHLP_ALIGN_LEFT);
            whlp_begin_para(h, WHLP_PARA_SCROLL);
@@ -361,6 +373,8 @@ void whlp_backend(paragraph *sourceform, keywordlist *keywords,
            }
            whlp_tab(h);
        } else {
+           whlp_para_attr(h, WHLP_PARA_LEFTINDENT,
+                          72*nesting + (p->type==para_Description ? 72 : 0));
            whlp_begin_para(h, WHLP_PARA_SCROLL);
        }
 
@@ -386,6 +400,7 @@ void whlp_backend(paragraph *sourceform, keywordlist *keywords,
            for (w = p->words; w; w = w->next) {
                if (!w->next)
                    whlp_para_attr(h, WHLP_PARA_SPACEBELOW, 12);
+               whlp_para_attr(h, WHLP_PARA_LEFTINDENT, 72*nesting);
                whlp_begin_para(h, WHLP_PARA_SCROLL);
                whlp_set_font(h, FONT_CODE);
                whlp_convert(w->text, &c, FALSE);