scummvm/engines/glk/alan3/output.cpp
2019-07-06 15:27:09 -07:00

455 lines
11 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program 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.
*
* This program 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "common/stream.h"
#include "glk/alan3/glkio.h"
#include "glk/alan3/options.h"
#include "glk/alan3/output.h"
#include "glk/alan3/memory.h"
#include "glk/alan3/word.h"
#include "glk/alan3/lists.h"
#include "glk/alan3/syserr.h"
#include "glk/alan3/dictionary.h"
#include "glk/alan3/current.h"
#include "glk/alan3/msg.h"
#include "glk/alan3/sysdep.h"
#include "glk/alan3/instance.h"
namespace Glk {
namespace Alan3 {
/* PUBLIC DATA */
bool anyOutput;
bool capitalize;
bool needSpace;
bool skipSpace;
/* Screen formatting info */
int col, lin;
int pageLength, pageWidth;
/* Logfile */
strid_t logFile;
/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/
/*
getPageSize()
Try to get the current page size from the system, else use the ones
from the header.
*/
void getPageSize(void) {
pageLength = 0;
pageWidth = 0;
}
/*----------------------------------------------------------------------*/
static int updateColumn(int currentColumn, const char *string) {
const char *newlinePosition = strrchr(string, '\n');
if (newlinePosition != NULL)
return &string[strlen(string)] - newlinePosition;
else
return currentColumn + strlen(string);
}
/*======================================================================*/
void setSubHeaderStyle(void) {
g_io->glk_set_style(style_Subheader);
}
/*======================================================================*/
void setNormalStyle(void) {
g_io->glk_set_style(style_Normal);
}
/*======================================================================*/
void newline(void) {
printAndLog("\n");
col = 1;
needSpace = FALSE;
}
/*======================================================================*/
void para(void) {
g_io->flowBreak();
if (col != 1)
newline();
newline();
capitalize = TRUE;
}
/*======================================================================*/
void clear(void) {
g_io->clear();
}
/*----------------------------------------------------------------------*/
static void capitalizeFirst(Common::String &str) {
uint i = 0;
// Skip over space...
while (i < str.size() && isSpace(str[i])) i++;
if (i < str.size()) {
str.setChar(toUpper(str[i]), i);
capitalize = false;
}
}
/*======================================================================*/
void printAndLog(const char *string) {
static int column = 0;
char *stringCopy;
char *stringPart;
printf("%s", string);
if (!g_io->onStatusLine && transcriptOption) {
// TODO Is this assuming only 70-char wide windows for GLK?
if ((int)strlen(string) > 70 - column) {
stringCopy = strdup(string); /* Make sure we can write NULLs */
stringPart = stringCopy;
while ((int)strlen(stringPart) > 70 - column) {
int p;
for (p = 70 - column; p > 0 && !isspace((int)stringPart[p]); p--);
stringPart[p] = '\0';
g_io->glk_put_string_stream(logFile, stringPart);
g_io->glk_put_char_stream(logFile, '\n');
column = 0;
stringPart = &stringPart[p + 1];
}
g_io->glk_put_string_stream(logFile, stringPart);
column = updateColumn(column, stringPart);
free(stringCopy);
} else {
g_io->glk_put_string_stream(logFile, string);
column = updateColumn(column, string);
}
}
}
/*----------------------------------------------------------------------*/
static void justify(const char *str) {
Common::String tempStr(str);
if (capitalize)
capitalizeFirst(tempStr);
printAndLog(tempStr.c_str());
col = col + tempStr.size(); // Update column
}
/*----------------------------------------------------------------------*/
static void space(void) {
if (skipSpace)
skipSpace = FALSE;
else {
if (needSpace) {
printAndLog(" ");
col++;
}
}
needSpace = FALSE;
}
/*----------------------------------------------------------------------*/
static void sayPlayerWordsForParameter(int p) {
int i;
for (i = globalParameters[p].firstWord; i <= globalParameters[p].lastWord; i++) {
justify((char *)pointerTo(dictionary[playerWords[i].code].string));
if (i < globalParameters[p].lastWord)
justify(" ");
}
}
/*----------------------------------------------------------------------*/
static void sayParameter(CONTEXT, int p, int form) {
int i;
for (i = 0; i <= p; i++)
if (isEndOfArray(&globalParameters[i]))
apperr("Nonexistent parameter referenced.");
#ifdef ALWAYS_SAY_PARAMETERS_USING_PLAYER_WORDS
if (params[p].firstWord != EOD) /* Any words he used? */
/* Yes, so use them... */
sayPlayerWordsForParameter(p);
else
CALL2(sayForm(params[p].code, form)
#else
if (globalParameters[p].useWords) {
/* Ambiguous instance referenced, so use the words he used */
sayPlayerWordsForParameter(p);
} else {
CALL2(sayForm, globalParameters[p].instance, (SayForm)form)
}
#endif
}
/*----------------------------------------------------------------------
Print an expanded symbolic reference.
N = newline
I = indent on a new line
P = new paragraph
L = current location name
O = current object -> first parameter!
<n> = n:th parameter
+<n> = definite form of n:th parameter
0<n> = indefinite form of n:th parameter
!<n> = pronoun for the n:th parameter
V = current verb
A = current actor
T = tabulation
$ = no space needed after this, and don't capitalize
_ = interpret this as a single dollar, if in doubt or conflict with other symbols
str - The string starting with '$'
*/
static char *printSymbol(CONTEXT, char str[]) {
int advance = 2;
if (*str == '\0') printAndLog("$");
else switch (toLower(str[1])) {
case 'n':
newline();
needSpace = FALSE;
break;
case 'i':
newline();
printAndLog(" ");
col = 5;
needSpace = FALSE;
break;
case 'o':
space();
R0CALL2(sayParameter, 0, 0)
needSpace = TRUE; /* We did print something non-white */
break;
case '+':
case '0':
case '-':
case '!':
space();
if (isdigit((int)str[2])) {
int form;
switch (str[1]) {
case '+':
form = SAY_DEFINITE;
break;
case '0':
form = SAY_INDEFINITE;
break;
case '-':
form = SAY_NEGATIVE;
break;
case '!':
form = SAY_PRONOUN;
break;
default:
form = SAY_SIMPLE;
break;
}
R0CALL2(sayParameter, str[2] - '1', form)
needSpace = TRUE;
}
advance = 3;
break;
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
space();
R0CALL2(sayParameter, str[1] - '1', SAY_SIMPLE)
needSpace = TRUE; /* We did print something non-white */
break;
case 'l':
space();
R0CALL1(say, current.location)
needSpace = TRUE; /* We did print something non-white */
break;
case 'a':
space();
R0CALL1(say, current.actor)
needSpace = TRUE; /* We did print something non-white */
break;
case 'v':
space();
justify((const char *)pointerTo(dictionary[verbWord].string));
needSpace = TRUE; /* We did print something non-white */
break;
case 'p':
para();
needSpace = FALSE;
break;
case 't': {
int i;
int spaces = 4 - (col - 1) % 4;
for (i = 0; i < spaces; i++) printAndLog(" ");
col = col + spaces;
needSpace = FALSE;
break;
}
case '$':
skipSpace = TRUE;
capitalize = FALSE;
break;
case '_':
advance = 2;
printAndLog("$");
break;
default:
advance = 1;
printAndLog("$");
break;
}
return &str[advance];
}
/*----------------------------------------------------------------------*/
static bool inhibitSpace(char *str) {
return str[0] != '\0' && str[0] == '$' && str[1] == '$';
}
/*----------------------------------------------------------------------*/
static bool isSpaceEquivalent(char str[]) {
if (str[0] == ' ')
return TRUE;
else
return strncmp(str, "$p", 2) == 0
|| strncmp(str, "$n", 2) == 0
|| strncmp(str, "$i", 2) == 0
|| strncmp(str, "$t", 2) == 0;
}
/*----------------------------------------------------------------------*/
static bool punctuationNext(char *str) {
const char *punctuation = strchr(".,!?", str[0]);
bool end = str[1] == '\0';
bool space = isSpaceEquivalent(&str[1]);
return (punctuation != NULL && (end || space));
}
/*----------------------------------------------------------------------*/
static char lastCharOf(char *str) {
return str[strlen(str) - 1];
}
/*======================================================================*/
void output(const char *original) {
char ch;
char *str, *copy;
char *symptr;
Context ctx;
copy = strdup(original);
str = copy;
if (inhibitSpace(str) || punctuationNext(str))
needSpace = FALSE;
else
space(); /* Output space if needed (& not inhibited) */
/* Output string up to symbol and handle the symbol */
while ((symptr = strchr(str, '$')) != (char *) NULL) {
ch = *symptr; /* Terminate before symbol */
*symptr = '\0';
if (strlen(str) > 0) {
skipSpace = FALSE; /* Only let skipSpace through if it is
last in the string */
if (lastCharOf(str) == ' ') {
str[strlen(str) - 1] = '\0'; /* Truncate space character */
justify(str); /* Output part before '$' */
needSpace = TRUE;
} else {
justify(str); /* Output part before '$' */
needSpace = FALSE;
}
}
*symptr = ch; /* restore '$' */
str = printSymbol(ctx, symptr); /* Print the symbolic reference and advance */
}
if (str[0] != 0) {
justify(str); /* Output trailing part */
skipSpace = FALSE;
if (lastCharOf(str) != ' ')
needSpace = TRUE;
}
if (needSpace)
capitalize = strchr("!?.", str[strlen(str) - 1]) != 0;
anyOutput = TRUE;
delete[] copy;
}
/*======================================================================*/
bool confirm(CONTEXT, MsgKind msgno) {
char buf[80];
bool flag;
/* This is a bit of a hack since we really want to compare the input,
it could be affirmative, but for now any input is NOT! */
printMessage(msgno);
R0FUNC2(g_io->readLine, flag, buf, 80)
if (!flag)
return TRUE;
col = 1;
return (buf[0] == '\0');
}
} // End of namespace Alan3
} // End of namespace Glk