Arrange a mechanism whereby each backend can be passed a filename

[sgt/halibut] / bk_man.c

diff --git a/bk_man.c b/bk_man.c
index c464e84..a773b60 100644 (file)
--- a/bk_man.c
+++ b/bk_man.c
@@ -16,6 +16,7 @@ typedef struct {
     wchar_t *th;
     int headnumbers;
     int mindepth;
+    char *filename;
 } manconfig;
 
 static manconfig man_configure(paragraph *source) {
@@ -27,6 +28,7 @@ static manconfig man_configure(paragraph *source) {
     ret.th = NULL;
     ret.headnumbers = FALSE;
     ret.mindepth = 0;
+    ret.filename = dupstr("output.1");
 
     for (; source; source = source->next) {
        if (source->type == para_Config) {
@@ -37,12 +39,16 @@ static manconfig man_configure(paragraph *source) {
                ep = wp;
                while (*ep)
                    ep = uadv(ep);
+               sfree(ret.th);
                ret.th = mknewa(wchar_t, ep - wp + 1);
                memcpy(ret.th, wp, (ep - wp + 1) * sizeof(wchar_t));
            } else if (!ustricmp(source->keyword, L"man-headnumbers")) {
                ret.headnumbers = utob(uadv(source->keyword));
            } else if (!ustricmp(source->keyword, L"man-mindepth")) {
                ret.mindepth = utoi(uadv(source->keyword));
+           } else if (!ustricmp(source->keyword, L"man-filename")) {
+               sfree(ret.filename);
+               ret.filename = utoa_dup(uadv(source->keyword));
            }
        }
     }
@@ -53,6 +59,35 @@ static manconfig man_configure(paragraph *source) {
 static void man_conf_cleanup(manconfig cf)
 {
     sfree(cf.th);
+    sfree(cf.filename);
+}
+
+paragraph *man_config_filename(char *filename)
+{
+    paragraph *p;
+    wchar_t *ufilename, *up;
+    int len;
+
+    p = mknew(paragraph);
+    memset(p, 0, sizeof(*p));
+    p->type = para_Config;
+    p->next = NULL;
+    p->fpos.filename = "<command line>";
+    p->fpos.line = p->fpos.col = -1;
+
+    ufilename = ufroma_dup(filename);
+    len = ustrlen(ufilename) + 2 + lenof(L"man-filename");
+    p->keyword = mknewa(wchar_t, len);
+    up = p->keyword;
+    ustrcpy(up, L"man-filename");
+    up = uadv(up);
+    ustrcpy(up, ufilename);
+    up = uadv(up);
+    *up = L'\0';
+    assert(up - p->keyword < len);
+    sfree(ufilename);
+
+    return p;
 }
 
 #define QUOTE_INITCTRL 1 /* quote initial . and ' on a line */
@@ -62,7 +97,6 @@ void man_backend(paragraph *sourceform, keywordlist *keywords,
                 indexdata *idx) {
     paragraph *p;
     FILE *fp;
-    char const *sep;
     manconfig conf;
 
     IGNORE(keywords);                 /* we don't happen to need this */
@@ -71,14 +105,11 @@ void man_backend(paragraph *sourceform, keywordlist *keywords,
     conf = man_configure(sourceform);
 
     /*
-     * Determine the output file name, and open the output file
-     *
-     * FIXME: want configurable output file names here. For the
-     * moment, we'll just call it `output.1'.
+     * Open the output file.
      */
-    fp = fopen("output.1", "w");
+    fp = fopen(conf.filename, "w");
     if (!fp) {
-       error(err_cantopenw, "output.1");
+       error(err_cantopenw, conf.filename);
        return;
     }
 
@@ -107,21 +138,6 @@ void man_backend(paragraph *sourceform, keywordlist *keywords,
 
     fprintf(fp, ".UC\n");
 
-    /* Do the preamble and copyright */
-    sep = "";
-    for (p = sourceform; p; p = p->next)
-       if (p->type == para_Preamble) {
-           fprintf(fp, "%s", sep);
-           man_text(fp, p->words, TRUE, 0);
-           sep = "\n";
-       }
-    for (p = sourceform; p; p = p->next)
-       if (p->type == para_Copyright) {
-           fprintf(fp, "%s", sep);
-           man_text(fp, p->words, TRUE, 0);
-           sep = "\n";
-       }
-
     for (p = sourceform; p; p = p->next) switch (p->type) {
        /*
         * Things we ignore because we've already processed them or
@@ -131,8 +147,6 @@ void man_backend(paragraph *sourceform, keywordlist *keywords,
       case para_BR:
       case para_Biblio:                       /* only touch BiblioCited */
       case para_VersionID:
-      case para_Copyright:
-      case para_Preamble:
       case para_NoCite:
       case para_Title:
        break;
@@ -145,6 +159,7 @@ void man_backend(paragraph *sourceform, keywordlist *keywords,
       case para_UnnumberedChapter:
       case para_Heading:
       case para_Subsect:
+
        {
            int depth;
            if (p->type == para_Subsect)
@@ -177,6 +192,7 @@ void man_backend(paragraph *sourceform, keywordlist *keywords,
         * Normal paragraphs.
         */
       case para_Normal:
+      case para_Copyright:
        fprintf(fp, ".PP\n");
        man_text(fp, p->words, TRUE, 0);
        break;