--- /dev/null
+/* files.c - Transscription, recording and playback
+ * Copyright (c) 1995-1997 Stefan Jokisch
+ *
+ * This file is part of Frotz.
+ *
+ * Frotz is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Frotz is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+
+#include "frotz.h"
+#include "glk.h"
+#include "glkio.h"
+
+extern void set_more_prompts (bool);
+
+extern bool is_terminator (zchar);
+
+extern bool read_yes_or_no (const char *);
+
+static int script_width = 0;
+
+static FILE *sfp = NULL;
+static FILE *rfp = NULL;
+static FILE *pfp = NULL;
+
+/*
+ * script_open
+ *
+ * Open the transscript file. 'AMFV' makes this more complicated as it
+ * turns transscription on/off several times to exclude some text from
+ * the transscription file. This wasn't a problem for the original V4
+ * interpreters which always sent transscription to the printer, but it
+ * means a problem to modern interpreters that offer to open a new file
+ * every time transscription is turned on. Our solution is to append to
+ * the old transscription file in V1 to V4, and to ask for a new file
+ * name in V5+.
+ *
+ * Alas, we cannot do this, since glk cannot give us the filename
+ * to reopen it again, and I dont want to mess with filerefs here.
+ *
+ */
+
+void script_open (void)
+{
+ static bool script_valid = FALSE;
+
+ h_flags &= ~SCRIPTING_FLAG;
+
+#if 0
+ if (h_version >= V5 || !script_valid) {
+ if (!os_read_file_name (new_name, script_name, FILE_SCRIPT))
+ goto done;
+ }
+
+ /* Opening in "at" mode doesn't work for script_erase_input... */
+
+ if ((sfp = fopen (sfp = fopen (script_name, "r+t")) != NULL || (sfp = fopen (script_name, "w+t")) != NULL) {
+
+#endif
+
+ if ((sfp = frotzopenprompt(FILE_SCRIPT)) != NULL)
+ {
+ fseek (sfp, 0, SEEK_END);
+
+ h_flags |= SCRIPTING_FLAG;
+
+ script_valid = TRUE;
+ ostream_script = TRUE;
+
+ script_width = 0;
+
+ } else print_string ("Cannot open file\n");
+
+/* done: */
+
+ SET_WORD (H_FLAGS, h_flags)
+
+}/* script_open */
+
+/*
+ * script_close
+ *
+ * Stop transscription.
+ *
+ */
+
+void script_close (void)
+{
+
+ h_flags &= ~SCRIPTING_FLAG;
+ SET_WORD (H_FLAGS, h_flags)
+
+ fclose (sfp); ostream_script = FALSE;
+
+}/* script_close */
+
+/*
+ * script_new_line
+ *
+ * Write a newline to the transscript file.
+ *
+ */
+
+void script_new_line (void)
+{
+
+ if (fputc ('\n', sfp) == EOF)
+ script_close ();
+
+ script_width = 0;
+
+}/* script_new_line */
+
+/*
+ * script_char
+ *
+ * Write a single character to the transscript file.
+ *
+ */
+
+void script_char (zchar c)
+{
+
+ if (c == ZC_INDENT && script_width != 0)
+ c = ' ';
+
+ if (c == ZC_INDENT)
+ { script_char (' '); script_char (' '); script_char (' '); return; }
+ if (c == ZC_GAP)
+ { script_char (' '); script_char (' '); return; }
+
+ fputc (c, sfp); script_width++;
+
+}/* script_char */
+
+/*
+ * script_word
+ *
+ * Write a string to the transscript file.
+ *
+ */
+
+void script_word (const zchar *s)
+{
+ int width;
+ int i;
+
+ if (*s == ZC_INDENT && script_width != 0)
+ script_char (*s++);
+
+ for (i = 0, width = 0; s[i] != 0; i++)
+
+ if (s[i] == ZC_NEW_STYLE || s[i] == ZC_NEW_FONT)
+ i++;
+ else if (s[i] == ZC_GAP)
+ width += 3;
+ else if (s[i] == ZC_INDENT)
+ width += 2;
+ else
+ width += 1;
+
+ if (f_setup.script_cols != 0 && script_width + width > f_setup.script_cols) {
+
+ if (*s == ' ' || *s == ZC_INDENT || *s == ZC_GAP)
+ s++;
+
+ script_new_line ();
+
+ }
+
+ for (i = 0; s[i] != 0; i++)
+
+ if (s[i] == ZC_NEW_FONT || s[i] == ZC_NEW_STYLE)
+ i++;
+ else
+ script_char (s[i]);
+
+}/* script_word */
+
+/*
+ * script_write_input
+ *
+ * Send an input line to the transscript file.
+ *
+ */
+
+void script_write_input (const zchar *buf, zchar key)
+{
+ int width;
+ int i;
+
+ for (i = 0, width = 0; buf[i] != 0; i++)
+ width++;
+
+ if (f_setup.script_cols != 0 && script_width + width > f_setup.script_cols)
+ script_new_line ();
+
+ for (i = 0; buf[i] != 0; i++)
+ script_char (buf[i]);
+
+ if (key == ZC_RETURN)
+ script_new_line ();
+
+}/* script_write_input */
+
+/*
+ * script_erase_input
+ *
+ * Remove an input line from the transscript file.
+ *
+ */
+
+void script_erase_input (const zchar *buf)
+{
+ int width;
+ int i;
+
+ for (i = 0, width = 0; buf[i] != 0; i++)
+ width++;
+
+ fseek (sfp, -width, SEEK_CUR); script_width -= width;
+
+}/* script_erase_input */
+
+/*
+ * script_mssg_on
+ *
+ * Start sending a "debugging" message to the transscript file.
+ *
+ */
+
+void script_mssg_on (void)
+{
+
+ if (script_width != 0)
+ script_new_line ();
+
+ script_char (ZC_INDENT);
+
+}/* script_mssg_on */
+
+/*
+ * script_mssg_off
+ *
+ * Stop writing a "debugging" message.
+ *
+ */
+
+void script_mssg_off (void)
+{
+
+ script_new_line ();
+
+}/* script_mssg_off */
+
+/*
+ * record_open
+ *
+ * Open a file to record the player's input.
+ *
+ */
+
+void record_open (void)
+{
+ if ((rfp = frotzopenprompt(FILE_RECORD)) != NULL)
+ ostream_record = TRUE;
+ else
+ print_string ("Cannot open file\n");
+}
+
+/*
+ * record_close
+ *
+ * Stop recording the player's input.
+ *
+ */
+
+void record_close (void)
+{
+
+ fclose (rfp); ostream_record = FALSE;
+
+}/* record_close */
+
+/*
+ * record_code
+ *
+ * Helper function for record_char.
+ *
+ */
+
+static void record_code (int c, bool force_encoding)
+{
+
+ if (force_encoding || c == '[' || c < 0x20 || c > 0x7e) {
+
+ int i;
+
+ fputc ('[', rfp);
+
+ for (i = 10000; i != 0; i /= 10)
+ if (c >= i || i == 1)
+ fputc ('0' + (c / i) % 10, rfp);
+
+ fputc (']', rfp);
+
+ } else fputc (c, rfp);
+
+}/* record_code */
+
+/*
+ * record_char
+ *
+ * Write a character to the command file.
+ *
+ */
+
+static void record_char (zchar c)
+{
+
+ if (c != ZC_RETURN) {
+ if (c < ZC_HKEY_MIN || c > ZC_HKEY_MAX) {
+ record_code (translate_to_zscii (c), FALSE);
+ if (c == ZC_SINGLE_CLICK || c == ZC_DOUBLE_CLICK) {
+ record_code (mouse_x, TRUE);
+ record_code (mouse_y, TRUE);
+ }
+ } else record_code (1000 + c - ZC_HKEY_MIN, TRUE);
+ }
+
+}/* record_char */
+
+/*
+ * record_write_key
+ *
+ * Copy a keystroke to the command file.
+ *
+ */
+
+void record_write_key (zchar key)
+{
+
+ record_char (key);
+
+ if (fputc ('\n', rfp) == EOF)
+ record_close ();
+
+}/* record_write_key */
+
+/*
+ * record_write_input
+ *
+ * Copy a line of input to a command file.
+ *
+ */
+
+void record_write_input (const zchar *buf, zchar key)
+{
+ zchar c;
+
+ while ((c = *buf++) != 0)
+ record_char (c);
+
+ record_char (key);
+
+ if (fputc ('\n', rfp) == EOF)
+ record_close ();
+
+}/* record_write_input */
+
+/*
+ * replay_open
+ *
+ * Open a file of commands for playback.
+ *
+ */
+
+void replay_open (void)
+{
+ if ((pfp = frotzopenprompt(FILE_PLAYBACK)) != NULL)
+ istream_replay = TRUE;
+ else
+ print_string ("Cannot open file\n");
+}
+
+/*
+ * replay_close
+ *
+ * Stop playback of commands.
+ *
+ */
+
+void replay_close (void)
+{
+ fclose (pfp); istream_replay = FALSE;
+}
+
+/*
+ * replay_code
+ *
+ * Helper function for replay_key and replay_line.
+ *
+ */
+
+static int replay_code (void)
+{
+ int c;
+
+ if ((c = fgetc (pfp)) == '[') {
+
+ int c2;
+
+ c = 0;
+
+ while ((c2 = fgetc (pfp)) != EOF && c2 >= '0' && c2 <= '9')
+ c = 10 * c + c2 - '0';
+
+ return (c2 == ']') ? c : EOF;
+
+ } else return c;
+
+}/* replay_code */
+
+/*
+ * replay_char
+ *
+ * Read a character from the command file.
+ *
+ */
+
+static zchar replay_char (void)
+{
+ int c;
+
+ if ((c = replay_code ()) != EOF) {
+
+ if (c != '\n') {
+
+ if (c < 1000) {
+
+ c = translate_from_zscii (c);
+
+ if (c == ZC_SINGLE_CLICK || c == ZC_DOUBLE_CLICK) {
+ mouse_x = replay_code ();
+ mouse_y = replay_code ();
+ }
+
+ return c;
+
+ } else return ZC_HKEY_MIN + c - 1000;
+ }
+
+ ungetc ('\n', pfp);
+
+ return ZC_RETURN;
+
+ } else return ZC_BAD;
+
+}/* replay_char */
+
+/*
+ * replay_read_key
+ *
+ * Read a keystroke from a command file.
+ *
+ */
+
+zchar replay_read_key (void)
+{
+ zchar key;
+
+ key = replay_char ();
+
+ if (fgetc (pfp) != '\n') {
+
+ replay_close ();
+ return ZC_BAD;
+
+ } else return key;
+
+}/* replay_read_key */
+
+/*
+ * replay_read_input
+ *
+ * Read a line of input from a command file.
+ *
+ */
+
+zchar replay_read_input (zchar *buf)
+{
+ zchar c;
+
+ for (;;) {
+
+ c = replay_char ();
+
+ if (c == ZC_BAD || is_terminator (c))
+ break;
+
+ *buf++ = c;
+
+ }
+
+ *buf = 0;
+
+ if (fgetc (pfp) != '\n') {
+
+ replay_close ();
+ return ZC_BAD;
+
+ } else return c;
+
+}/* replay_read_input */
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