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#include <string.h>
#include "dawk.h"
#include "make_doc.h"
static void preprocess(void);
static void postprocess_latex(void);
static void postprocess_texinfo(void);
static void cat(void);
static void print_sans_backslashes(const char *p);
void make_single_doc(int argc, char *argv[])
{
d_init(argc, argv);
/* Hidden format for debugging. */
if (streq(to_format, "preprocess")) {
preprocess();
return;
}
d_open_output(tmp_preprocess_output);
preprocess();
d_close_output();
call_pandoc(tmp_preprocess_output, tmp_pandoc_output, "");
d_open_input(tmp_pandoc_output);
if (streq(to_format, "latex"))
postprocess_latex();
else if (streq(to_format, "texinfo"))
postprocess_texinfo();
else
cat();
d_close_input();
}
static void preprocess(void)
{
dstr line;
while (d_getline(line)) {
/* Raise sections by one level. Top-most becomes the document title. */
if (line[0] == '#' && raise_sections) {
if (line[1] == ' ') {
line[0] = '%';
}
else {
char *p = strchr(line, ' ');
if (p) {
p[-1] = ' ';
}
}
}
/* Make sure there is a blank line between input files so paragraphs
* across files don't get merged. But don't break document titles which
* must be on the first line.
*/
if (d_line_num == 1 && line[0] != '%') {
d_print("");
}
if (d_match(line, "^(#+) +API: *")) {
const char *hashes = d_submatch(1);
const char *name = d_after_match;
const char *text = lookup_prototype(name);
d_printf("%s %s\n", hashes, name);
d_print(text);
}
else {
d_print(line);
}
}
}
static void postprocess_latex(void)
{
dstr line;
while (d_getline(line)) {
/* Insert \label{id} for all sections which are probably API entries.
* T-Rex doesn't seem to backtrack properly if we write "(sub)*".
*/
if (d_match(line,
"\\\\(sub)?(sub)?(sub)?(sub)?section\\{((al|ALLEGRO)[^}]+)")) {
d_print(line);
d_printf("\\label{");
print_sans_backslashes(d_submatch(5));
d_printf("}\n");
continue;
}
/* Replace `verbatim' environment by `Verbatim' from fancyvrb,
* which gives us some flexibility over the formatting.
*/
if (d_match(line, "\\\\begin\\{verbatim\\}$")) {
d_printf("%s", d_before_match);
d_print("\\begin{Verbatim}");
continue;
}
if (d_match(line, "\\\\end\\{verbatim\\}$")) {
d_printf("%s", d_before_match);
d_print("\\end{Verbatim}");
continue;
}
/* Change cross references from:
* \href{DUMMYREF}{foo\_bar\_baz}
* to:
* \alref{foo_bar_baz}
*/
while (d_match(line, "\\\\href\\{DUMMYREF\\}\\{([^}]*)\\}")) {
const char *ref = d_submatch(1);
d_printf("%s", d_before_match);
d_printf("\\alref{", ref);
print_sans_backslashes(ref);
d_printf("}");
d_assign(line, d_after_match);
}
d_print(line);
}
}
static void postprocess_texinfo(void)
{
dstr line;
while (d_getline(line)) {
/* Replace dummy references by real references (see make_dummy_refs). */
while (d_match(line, "@uref\\{DUMMYREF,")) {
d_printf("%s@ref{", d_before_match);
d_assign(line, d_after_match);
}
d_print(line);
}
}
static void cat(void)
{
dstr line;
while (d_getline(line))
d_print(line);
}
static void print_sans_backslashes(const char *p)
{
for (; *p; p++) {
if (*p != '\\')
fputc(*p, D_STDOUT);
}
}
/* vim: set sts=3 sw=3 et: */
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