--- /dev/null
+/* Generate .po file from doc-string file.
+
+ Scan specified doc-string file, creating .po format messages for processing
+ with msgfmt. The results go to standard output or to a file specified
+ with -a or -o (-a to append, -o to start from nothing).
+
+ Kludge to make up for shortcoming in make-docfile and Snarf-documentation:
+ If arg before input filename is -p, we are scanning an add-on
+ package, which requires slightly different processing.
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#ifndef EXIT_SUCCESS
+#define EXIT_SUCCESS 0
+#define EXIT_FAILURE 1
+#endif
+
+/* #define BUFSIZE 8192 */
+#define BUFSIZE 16384
+#define NEWSTRING 31 /* Character signalling start of new doc string */
+#define LINEEND "\\n"
+#define ENDSTRING "\"\n"
+#define LINEBEGIN " \""
+#define LINEBREAK ENDSTRING LINEBEGIN
+
+/* some brain-dead headers define this ... */
+#undef FALSE
+#undef TRUE
+enum boolean { FALSE, TRUE };
+
+
+/***********************/
+/* buffer pseudo-class */
+/***********************/
+
+typedef struct _buffer
+{
+ size_t index; /* current position in buf[] */
+ size_t size; /* size of buf */
+ char *buf;
+} buffer_struct;
+
+#define BUF_NULL {0, 0, NULL}
+
+int buf_init (buffer_struct *buffer, size_t size);
+void buf_free (buffer_struct *buffer);
+void buf_clear (buffer_struct *buffer);
+int buf_putc (buffer_struct *buffer, int c);
+int buf_print (buffer_struct *buffer, const char *s);
+
+
+/********************/
+/* global variables */
+/********************/
+
+FILE *infile = NULL;
+FILE *outfile = NULL;
+buffer_struct buf = BUF_NULL;
+
+
+void scan_file (enum boolean package);
+void initialize (void);
+void clean_exit (int status);
+void buf_putc_safe (int c);
+void buf_print_safe (const char *s);
+void terminate_string (void);
+
+main (int argc, char *argv[])
+{
+ register int i;
+ enum boolean package = FALSE; /* TRUE if scanning add-on package */
+
+ initialize ();
+
+ outfile = stdout;
+
+ /* If first two args are -o FILE, output to FILE. */
+ i = 1;
+ if (argc > i + 1 && strcmp (argv[i], "-o") == 0) {
+ outfile = fopen (argv[++i], "w");
+ ++i;
+ }
+ /* ...Or if args are -a FILE, append to FILE. */
+ if (argc > i + 1 && strcmp (argv[i], "-a") == 0) {
+ outfile = fopen (argv[++i], "a");
+ ++i;
+ }
+ if (!outfile) {
+ fprintf (stderr, "Unable to open output file %s\n", argv[--i]);
+ return 1;
+ }
+
+ if (argc > i && !strcmp (argv[i], "-p")) {
+ package = TRUE;
+ ++i;
+ }
+
+ infile = fopen (argv[i], "r");
+ if (!infile) {
+ fprintf (stderr, "Unable to open input file %s\n", argv[i]);
+ return 1;
+ }
+
+ scan_file (package);
+ clean_exit (EXIT_SUCCESS);
+}
+
+
+void scan_file (enum boolean package)
+{
+ register int c; /* Character read in */
+
+ fprintf (outfile, "###############\n");
+ fprintf (outfile, "# DOC strings #\n");
+ fprintf (outfile, "###############\n");
+
+ while (c = getc (infile), !feof (infile)) {
+ if (c == NEWSTRING) {
+ /* If a string was being processed, terminate it. */
+ if (buf.index > 0)
+ terminate_string ();
+
+ /* Skip function or variable name. */
+ while (c != '\n')
+ c = getc (infile);
+ c = getc (infile);
+
+ /* Begin a new string. */
+ fprintf (outfile, "msgid \"");
+ buf_print_safe ("msgstr \"");
+ }
+
+ if (c == '\n') {
+ /* Peek at next character. */
+ c = getc (infile);
+ ungetc (c, infile);
+
+ /* For add-on (i.e., non-preloaded) documentation, ignore the last
+ carriage return of a string. */
+ if (!(package && c == NEWSTRING)) {
+ fprintf (outfile, LINEEND);
+ buf_print_safe (LINEEND);
+ }
+
+ /* If not end of string, continue it on the next line. */
+ if (c != NEWSTRING) {
+ fprintf (outfile, LINEBREAK);
+ buf_print_safe (LINEBREAK);
+ }
+ }
+ else {
+
+ /* If character is \ or ", precede it by a backslash. */
+ if (c == '\\' || c == '\"') {
+ putc ('\\', outfile);
+ buf_putc_safe ('\\');
+ }
+
+ putc (c, outfile);
+ buf_putc_safe (c);
+ }
+ }
+ terminate_string ();
+}
+
+
+/* initialize sets up the global variables.
+*/
+void initialize (void)
+{
+ if (buf_init (&buf, BUFSIZE) != 0)
+ clean_exit (EXIT_FAILURE);
+}
+
+
+/* clean_exit returns any resources and terminates the program.
+ An error message is printed if status is EXIT_FAILURE.
+*/
+void clean_exit (int status)
+{
+ if (buf.size > 0)
+ buf_free (&buf);
+ if (outfile)
+ fclose (outfile);
+ if (infile)
+ fclose (infile);
+
+ if (status == EXIT_FAILURE)
+ fprintf (stderr, "make-po abnormally terminated\n");
+ exit (status);
+}
+
+
+/* buf_putc_safe writes the character c on the global buffer buf,
+ checking to make sure that the operation was successful.
+*/
+void buf_putc_safe (int c)
+{
+ register int status;
+
+ status = buf_putc (&buf, c);
+ if (status == EOF)
+ clean_exit (EXIT_FAILURE);
+}
+
+
+/* buf_putc_safe writes the string s on the global buffer buf,
+ checking to make sure that the operation was successful.
+*/
+void buf_print_safe (const char *s)
+{
+ register int status;
+
+ status = buf_print (&buf, s);
+ if (status < 0)
+ clean_exit (EXIT_FAILURE);
+}
+
+
+/* terminate_string terminates the current doc string and outputs the buffer.
+*/
+void terminate_string (void)
+ {
+ fprintf (outfile, ENDSTRING);
+
+ /* Make the "translation" different from the original string. */
+ buf_print_safe ("_X");
+
+ buf_print_safe (ENDSTRING);
+ fprintf (outfile, "%s", buf.buf);
+ buf_clear (&buf);
+ }
+
+
+/*********************************/
+/* buffer pseudo-class functions */
+/*********************************/
+
+/* buf_init initializes a buffer to the specified size.
+ It returns non-zero if the attempt fails.
+*/
+int buf_init (buffer_struct *buffer, size_t size)
+{
+ buffer->buf = malloc (size);
+ if (buffer->buf == NULL)
+ return 1;
+
+ buffer->size = size;
+ buf_clear (buffer);
+ return 0;
+}
+
+
+/* buf_free releases the memory allocated for the buffer.
+*/
+void buf_free (buffer_struct *buffer)
+{
+ free (buffer->buf);
+ buffer->size = 0;
+}
+
+
+/* buf_clear resets a buffer to an empty string.
+*/
+void buf_clear (buffer_struct *buffer)
+{
+ buffer->index = 0;
+ buffer->buf[0] = '\0';
+}
+
+
+/* buf_putc writes the character c on the buffer.
+ It returns the character written, or EOF for error.
+*/
+int buf_putc (buffer_struct *buffer, int c)
+{
+ if (buffer->index >= buffer->size)
+ return EOF;
+
+ buffer->buf[buffer->index++] = c;
+ return c;
+}
+
+
+/* buf_print writes the string s on the buffer.
+ It returns the number of characters written, or negative if an error occurred.
+*/
+int buf_print (buffer_struct *buffer, const char *s)
+{
+ register int len;
+
+ len = strlen (s);
+ if (buffer->index + len >= buffer->size)
+ return -1;
+
+ sprintf (&(buffer->buf[buffer->index]), s);
+ buffer->index += len;
+ return len;
+}
projects / chise / xemacs-chise.git.1 / blobdiff