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/*
new_opts.c:
Copyright (C) 2005 Istvan Varga
This file is part of Csound.
The Csound Library is free software; you can redistribute it
and/or modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
Csound 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with Csound; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
02110-1301 USA
*/
/**
* Assignment to configuration variables from the command line can be done
* with '-+NAME=VALUE'. Boolean variables can be set to true with any of
* '-+NAME', '-+NAME=1', '-+NAME=yes', '-+NAME=on', and '-+NAME=true',
* while setting to false is possible with any of '-+no-NAME', '-+NAME=0',
* '-+NAME=no', '-+NAME=off', and '-+NAME=false'.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "csoundCore.h"
#include "csound.h"
#include "new_opts.h"
/* list command line usage of all registered configuration variables */
void dump_cfg_variables(CSOUND *csound)
{
csCfgVariable_t **p;
int i;
p = csoundListConfigurationVariables(csound);
if (p == NULL)
return;
if (p[0] == NULL)
return;
csound->Message(csound, "\n");
i = 0;
do {
csound->Message(csound, "-+%s=", (char*) ((p[i])->h.name));
switch ((p[i])->h.type) {
case CSOUNDCFG_INTEGER:
csound->Message(csound, Str("<integer>"));
if ((p[i])->i.min > -0x7FFFFFFF)
csound->Message(csound, ", %s%d", Str("min: "), (p[i])->i.min);
if ((p[i])->i.max < 0x7FFFFFFF)
csound->Message(csound, ", %s%d", Str("max: "), (p[i])->i.max);
if ((p[i])->i.flags & CSOUNDCFG_POWOFTWO)
csound->Message(csound, ", %s", Str("must be power of two"));
break;
case CSOUNDCFG_BOOLEAN:
csound->Message(csound, Str("<boolean>"));
break;
case CSOUNDCFG_FLOAT:
csound->Message(csound, Str("<float>"));
if ((p[i])->f.min > -1.0e24f)
csound->Message(csound, ", %s%g", Str("min: "),
(double) (p[i])->f.min);
if ((p[i])->f.max < 1.0e24f)
csound->Message(csound, ", %s%g", Str("max: "),
(double) (p[i])->f.max);
break;
case CSOUNDCFG_DOUBLE:
csound->Message(csound, Str("<float>"));
if ((p[i])->d.min > -1.0e24)
csound->Message(csound, ", %s%g", Str("min: "),
(double) (p[i])->d.min);
if ((p[i])->d.max < 1.0e24)
csound->Message(csound, ", %s%g", Str("max: "),
(double) (p[i])->d.max);
break;
case CSOUNDCFG_MYFLT:
csound->Message(csound, Str("<float>"));
if ((p[i])->m.min > ((MYFLT) -1.0e24))
csound->Message(csound, ", %s%g", Str("min: "),
(double) (p[i])->m.min);
if ((p[i])->m.max < ((MYFLT) 1.0e24))
csound->Message(csound, ", %s%g", Str("max: "),
(double) (p[i])->m.max);
break;
case CSOUNDCFG_STRING:
csound->Message(csound, Str("<string> (max. length = %d characters)"),
(p[i])->s.maxlen - 1);
break;
default:
csound->Message(csound, Str("<unknown>"));
}
csound->Message(csound, "\n");
if ((p[i])->h.longDesc != NULL)
csound->Message(csound, "\t%s\n", Str((char*) p[i]->h.longDesc));
else if ((p[i])->h.shortDesc != NULL)
csound->Message(csound, "\t%s\n", Str((char*) p[i]->h.shortDesc));
} while (p[++i] != NULL);
}
/* Parse 's' as an assignment to a configuration variable in the format */
/* '-+NAME=VALUE'. In the case of boolean variables, the format may also */
/* be '-+NAME' for true, and '-+no-NAME' for false. */
/* Return value is zero on success. */
int parse_option_as_cfgvar(CSOUND *csound, const char *s)
{
csCfgVariable_t *p;
if (UNLIKELY((int) strlen(s) < 3)) {
csound->Warning(csound, Str(" *** '%s' is not a valid "
"Csound command line option."), s);
csound->Warning(csound, Str(" *** Type 'csound --help' for the list of "
"available options"));
return 0;
}
if (UNLIKELY(strncmp(s, "-+", 2) != 0)) {
csound->Warning(csound, Str(" *** '%s' is not a valid "
"Csound command line option."), s);
csound->Warning(csound, Str(" *** Type 'csound --help' for the list of "
"available options"));
return 0;
}
if (strchr(s, '=') == NULL) {
/* there is no '=' character, must be a boolean */
p = csoundQueryConfigurationVariable(csound, s + 2);
if (p != NULL) {
if (UNLIKELY(p->h.type != CSOUNDCFG_BOOLEAN)) {
csound->Warning(csound, Str(" *** type of option '%s' "
"is not boolean"), s + 2);
return 0;
}
*(p->b.p) = 1;
}
else if (LIKELY((int) strlen(s) > 5)) {
if (UNLIKELY(strncmp(s, "-+no-", 5) != 0)) {
csound->Warning(csound, Str(" *** '%s': invalid option name"),
s + 2);
return 0;
}
p = csoundQueryConfigurationVariable(csound, s + 5);
if (UNLIKELY(p == NULL)) {
csound->Warning(csound, Str(" *** '%s': invalid option name"),
s + 2);
return -1;
}
if (UNLIKELY(p->h.type != CSOUNDCFG_BOOLEAN)) {
csound->Warning(csound, Str(" *** type of option '%s' "
"is not boolean"), s + 2);
return 0;
}
*(p->b.p) = 0;
}
else {
csound->Warning(csound, Str(" *** '%s': invalid option name"), s + 2);
return 0;
}
}
else if (LIKELY((int) strlen(s) > 3)) {
char *buf, *val, *tmp;
int retval;
buf = (char*) csound->Malloc(csound,
sizeof(char) * (size_t) ((int) strlen(s) - 1));
if (UNLIKELY(buf == NULL)) {
csound->Warning(csound, Str(" *** memory allocation failure"));
return -1;
}
/* strcpy(buf, s + 2); */
val = (char*) s+2;
tmp = buf;
while (*val!='\0') {
/*
* CAN char used during the parsing in CsOptions to mark
* the removable characters '\'. ETX char used to mark
* the limits of a string.
*/
if (*val != 0x18 && *val != 3)
*tmp++ = *val;
val++;
}
*tmp='\0';
val = strchr(buf, '=');
*(val++) = '\0'; /* 'buf' is now the name, 'val' is the value string */
retval = csoundParseConfigurationVariable(csound, buf, val);
if (UNLIKELY(retval != CSOUNDCFG_SUCCESS)) {
csound->Warning(csound,
Str(" *** error setting option '%s' to '%s': %s"),
buf, val, csoundCfgErrorCodeToString(retval));
csound->Free(csound, (void*) buf);
return 0;
}
csound->Free(csound, (void*) buf);
}
else {
csound->Warning(csound, Str(" *** '%s' is not a valid "
"Csound command line option."), s);
csound->Warning(csound, Str(" *** Type 'csound --help' for the list of "
"available options."));
return 0;
}
return 0;
}
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