Add a TODO entry.

[sgt/halibut] / bk_text.c

diff --git a/bk_text.c b/bk_text.c
index df8ae62..359ea25 100644 (file)
--- a/bk_text.c
+++ b/bk_text.c
@@ -24,6 +24,7 @@ typedef struct {
     int include_version_id;
     int indent_preambles;
     word bullet;
+    char *filename;
 } textconfig;
 
 static int text_convert(wchar_t *, char **);
@@ -76,11 +77,15 @@ static textconfig text_configure(paragraph *source) {
     ret.include_version_id = TRUE;
     ret.indent_preambles = FALSE;
     ret.bullet.text = L"-";
+    ret.filename = dupstr("output.txt");
 
     for (; source; source = source->next) {
        if (source->type == para_Config) {
            if (!ustricmp(source->keyword, L"text-indent")) {
                ret.indent = utoi(uadv(source->keyword));
+           } else if (!ustricmp(source->keyword, L"text-filename")) {
+               sfree(ret.filename);
+               ret.filename = utoa_dup(uadv(source->keyword));
            } else if (!ustricmp(source->keyword, L"text-indent-code")) {
                ret.indent_code = utoi(uadv(source->keyword));
            } else if (!ustricmp(source->keyword, L"text-width")) {
@@ -175,8 +180,36 @@ static textconfig text_configure(paragraph *source) {
     return ret;
 }
 
+paragraph *text_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"text-filename");
+    p->keyword = mknewa(wchar_t, len);
+    up = p->keyword;
+    ustrcpy(up, L"text-filename");
+    up = uadv(up);
+    ustrcpy(up, ufilename);
+    up = uadv(up);
+    *up = L'\0';
+    assert(up - p->keyword < len);
+    sfree(ufilename);
+
+    return p;
+}
+
 void text_backend(paragraph *sourceform, keywordlist *keywords,
-                 indexdata *idx) {
+                 indexdata *idx, void *unused) {
     paragraph *p;
     textconfig conf;
     word *prefix, *body, *wp;
@@ -186,20 +219,18 @@ void text_backend(paragraph *sourceform, keywordlist *keywords,
     int nesting, nestindent;
     int indentb, indenta;
 
+    IGNORE(unused);
     IGNORE(keywords);                 /* we don't happen to need this */
     IGNORE(idx);                      /* or this */
 
     conf = text_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.txt'.
+     * Open the output file.
      */
-    fp = fopen("output.txt", "w");
+    fp = fopen(conf.filename, "w");
     if (!fp) {
-       error(err_cantopenw, "output.txt");
+       error(err_cantopenw, conf.filename);
        return;
     }
 
@@ -332,6 +363,7 @@ void text_backend(paragraph *sourceform, keywordlist *keywords,
      */
     fclose(fp);
     sfree(conf.asect);
+    sfree(conf.filename);
 }
 
 /*
@@ -441,18 +473,20 @@ static void text_rdaddwc(rdstringc *rs, word *text, word *end) {
     }
 }
 
-static int text_width(word *);
+static int text_width(void *, word *);
 
-static int text_width_list(word *text) {
+static int text_width_list(void *ctx, word *text) {
     int w = 0;
     while (text) {
-       w += text_width(text);
+       w += text_width(ctx, text);
        text = text->next;
     }
     return w;
 }
 
-static int text_width(word *text) {
+static int text_width(void *ctx, word *text) {
+    IGNORE(ctx);
+
     switch (text->type) {
       case word_HyperLink:
       case word_HyperEnd:
@@ -473,7 +507,7 @@ static int text_width(word *text) {
                 : 0) +
                (text_convert(text->text, NULL) ?
                 ustrlen(text->text) :
-                text_width_list(text->alt)));
+                text_width_list(ctx, text->alt)));
 
       case word_WhiteSpace:
       case word_EmphSpace:
@@ -529,7 +563,7 @@ static void text_heading(FILE *fp, word *tprefix, word *nprefix, word *text,
        wrapwidth = indent + width;
     }
 
-    wrapping = wrap_para(text, firstlinewidth, wrapwidth, text_width);
+    wrapping = wrap_para(text, firstlinewidth, wrapwidth, text_width, NULL, 0);
     for (p = wrapping; p; p = p->next) {
        text_rdaddwc(&t, p->begin, p->end);
        length = (t.text ? strlen(t.text) : 0);
@@ -597,7 +631,7 @@ static void text_para(FILE *fp, word *prefix, char *prefixextra, word *text,
     } else
        e = indent + extraindent;
 
-    wrapping = wrap_para(text, firstlinewidth, width, text_width);
+    wrapping = wrap_para(text, firstlinewidth, width, text_width, NULL, 0);
     for (p = wrapping; p; p = p->next) {
        rdstringc t = { 0, 0, NULL };
        text_rdaddwc(&t, p->begin, p->end);