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#include <string.h>
#include <stdlib.h>
#include "dawk.h"
#include "make_doc.h"
static void preprocess(void);
static void postprocess_latex(void);
static void cat(void);
static void print_sans_backslashes(const char *p);
static void insert_examples(void);
static char current_api[64];
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
cat();
d_close_input();
}
static void preprocess(void)
{
dstr line;
while (d_getline(line)) {
/* If this is a heading, a new section is about to start.
Insert the pending code examples (if any) beforehand. */
if (line[0] == '#') {
insert_examples();
}
/* 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);
const char *source = lookup_source(name);
d_printf("%s %s\n", hashes, name);
if (strcmp(text, "") != 0) {
d_printf("~~~~c");
d_print(text);
d_printf("~~~~");
}
d_printf("\n[Source Code](%s)\n", source);
strcpy(current_api, name);
}
else if (d_match(line, "^__ALLEGRO_5_CFG")) {
char *allegro5_cfg = load_allegro5_cfg();
d_print(allegro5_cfg);
free(allegro5_cfg);
}
else {
d_print(line);
}
}
/* Finally insert any examples for the last section */
insert_examples();
}
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;
}
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);
}
}
static void insert_examples(void) {
if (*current_api) {
const char* exs = lookup_example(current_api);
if (exs) {
/* This will be of the form "FILE:LINE FILE:LINE FILE:LINE " */
dstr items;
char* pitem = strcpy(items, exs);
d_print("Examples:\n");
char* item;
for (item = strtok(pitem, " "); item; item = strtok(NULL, " ")) {
dstr buffer;
char* colon = strchr(item, ':');
if (colon) {
char* filename = item;
char* line = colon + 1;
*colon = '\0';
dstr base;
d_basename(filename, NULL, base);
d_printf("* [%s](%s)\n",
base,
example_source(buffer, filename, line));
}
}
d_print("");
}
strcpy(current_api, "");
}
}
/* Local Variables: */
/* c-basic-offset: 3 */
/* indent-tabs-mode: nil */
/* End: */
/* vim: set sts=3 sw=3 et: */
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