Record in a code_node whether it was indented or not.

This is needed to correctly adjust for this indent when processing the
code.

Signed-off-by: NeilBrown <neilb@suse.de>

diff --git a/csrc/mdcode.mdc b/csrc/mdcode.mdc
index dc78a12c1d3ec62fc1d96da351e97cbec2f25cbd..1b5d48f4b34248717593635162b75be7151a2cb6 100644 (file)
--- a/csrc/mdcode.mdc
+++ b/csrc/mdcode.mdc
@@ -153,6 +153,11 @@ The `code_node` will also have an `indent` depth which eventually gets
 set to the sum for the indents from all references on the path from
 the root.
 
+Finally we need to know if the `code_node` was recognised by being
+indented or not.  If it was, the client of this data will want to
+strip of the leading tab or 4 spaces.  Hence a `needs_strip` flag is
+needed.
+
 ##### exported types
 
        struct text {
@@ -170,6 +175,7 @@ the root.
                struct text code;
                int indent;
                int line_no;
+               int needs_strip;
                struct code_node *next;
                struct section *child;
        };
@@ -266,7 +272,7 @@ in a new node.
 ##### internal functions
 
        static void code_add_text(struct psection *where, struct text txt,
-                                 int line_no)
+                                 int line_no, int needs_strip)
        {
                struct code_node *n;
                if (txt.len == 0)
@@ -275,6 +281,7 @@ in a new node.
                n->code = txt;
                n->indent = 0;
                n->line_no = line_no;
+               n->needs_strip = needs_strip;
                n->next = NULL;
                n->child = NULL;
                if (where->last)
@@ -592,7 +599,8 @@ for that.
                                struct text txt;
                                txt.txt = start;
                                txt.len = pos - start;
-                               code_add_text(sect, txt, start_line);
+                               code_add_text(sect, txt, start_line,
+                                             marker == NULL);
                        }
                        ref = take_header(t, end);
                        if (ref.len) {
@@ -608,7 +616,8 @@ for that.
                        struct text txt;
                        txt.txt = start;
                        txt.len = pos - start;
-                       code_add_text(sect, txt, start_line);
+                       code_add_text(sect, txt, start_line,
+                                     marker == NULL);
                }
                if (marker) {
                        pos = skip_line(pos, end);
@@ -774,18 +783,15 @@ for `Makefiles`.
                for (; node; node = node->next) {
                        char *c = node->code.txt;
                        int len = node->code.len;
-                       int undent = 0;
 
                        if (!len)
                                continue;
 
                        fprintf(out, "#line %d \"%s\"\n",
                                node->line_no, fname);
-                       if (*c == ' ' || *c == '\t')
-                               undent = 1;
                        while (len && *c) {
                                fprintf(out, "%*s", node->indent, "");
-                               if (undent) {
+                               if (node->needs_strip) {
                                        if (*c == '\t' && len > 1) {
                                                c++;
                                                len--;