mosesdecoder/symal/cmd.c

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// $Id$
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <string.h>
#include "cmd.h"
#ifdef WIN32
# define popen _popen
# define pclose _pclose
#endif
static Enum_T BoolEnum[] = {
{ "FALSE", 0 },
{ "TRUE", 1 },
{ 0, 0 }
};
#ifdef NEEDSTRDUP
char *strdup();
#endif
#define FALSE 0
#define TRUE 1
#define LINSIZ 10240
#define MAXPARAM 256
static char *GetLine(),
**str2array();
static int Scan(),
SetParam(),
SetEnum(),
SetSubrange(),
SetStrArray(),
SetGte(),
SetLte(),
CmdError(),
EnumError(),
SubrangeError(),
GteError(),
LteError(),
PrintParam(),
PrintEnum(),
PrintStrArray();
static Cmd_T cmds[MAXPARAM+1];
static char *SepString = " \t\n";
#if defined(__STDC__)
#include <stdarg.h>
int DeclareParams(char *ParName, ...)
#else
#include <varargs.h>
int DeclareParams(ParName, va_alist)
char *ParName;
va_dcl
#endif
{
va_list args;
static int ParamN = 0;
int j,
c;
char *s;
#if defined(__STDC__)
va_start(args, ParName);
#else
va_start(args);
#endif
for(;ParName;) {
if(ParamN==MAXPARAM) {
fprintf(stderr, "Too many parameters !!\n");
break;
}
for(j=0,c=1; j<ParamN&&(c=strcmp(cmds[j].Name,ParName))<0; j++)
;
if(!c) {
fprintf(stderr,
"Warning: parameter \"%s\" declared twice.\n",
ParName);
}
for(c=ParamN; c>j; c--) {
cmds[c] = cmds[c-1];
}
cmds[j].Name = ParName;
cmds[j].Type = va_arg(args, int);
cmds[j].Val = va_arg(args, void *);
switch(cmds[j].Type) {
case CMDENUMTYPE: /* get the pointer to Enum_T struct */
cmds[j].p = va_arg(args, void *);
break;
case CMDSUBRANGETYPE: /* get the two extremes */
cmds[j].p = (void*) calloc(2, sizeof(int));
((int*)cmds[j].p)[0] = va_arg(args, int);
((int*)cmds[j].p)[1] = va_arg(args, int);
break;
case CMDGTETYPE: /* get lower or upper bound */
case CMDLTETYPE:
cmds[j].p = (void*) calloc(1, sizeof(int));
((int*)cmds[j].p)[0] = va_arg(args, int);
break;
case CMDSTRARRAYTYPE: /* get the separators string */
cmds[j].p = (s=va_arg(args, char*))
? (void*)strdup(s) : 0;
break;
case CMDBOOLTYPE:
cmds[j].Type = CMDENUMTYPE;
cmds[j].p = BoolEnum;
break;
case CMDDOUBLETYPE: /* nothing else is needed */
case CMDINTTYPE:
case CMDSTRINGTYPE:
break;
default:
fprintf(stderr, "%s: %s %d %s \"%s\"\n",
"DeclareParam()", "Unknown Type",
cmds[j].Type, "for parameter", cmds[j].Name);
exit(1);
}
ParamN++;
ParName = va_arg(args, char *);
}
cmds[ParamN].Name = NULL;
va_end(args);
return 0;
}
int GetParams(n, a, CmdFileName)
int *n;
char ***a;
char *CmdFileName;
{
char *Line,
*ProgName;
int argc = *n;
char **argv = *a,
*s;
FILE *fp;
int IsPipe;
#ifdef MSDOS
#define PATHSEP '\\'
char *dot = NULL;
#else
#define PATHSEP '/'
#endif
if(!(Line=malloc(LINSIZ))) {
fprintf(stderr, "GetParams(): Unable to alloc %d bytes\n",
LINSIZ);
exit(1);
}
if((ProgName=strrchr(*argv, PATHSEP))) {
++ProgName;
} else {
ProgName = *argv;
}
#ifdef MSDOS
if(dot=strchr(ProgName, '.')) *dot = 0;
#endif
--argc;
++argv;
for(;;) {
if(argc && argv[0][0]=='-' && argv[0][1]=='=') {
CmdFileName = argv[0]+2;
++argv;
--argc;
}
if(!CmdFileName) {
break;
}
IsPipe = !strncmp(CmdFileName, "@@", 2);
fp = IsPipe
? popen(CmdFileName+2, "r")
: strcmp(CmdFileName, "-")
? fopen(CmdFileName, "r")
: stdin;
if(!fp) {
fprintf(stderr, "Unable to open command file %s\n",
CmdFileName);
exit(1);
}
while(GetLine(fp, LINSIZ, Line) && strcmp(Line, "\\End")) {
if(Scan(ProgName, cmds, Line)) {
CmdError(Line);
}
}
if(fp!=stdin) {
if(IsPipe) pclose(fp); else fclose(fp);
}
CmdFileName = NULL;
}
while(argc && **argv=='-' && (s=strchr(*argv, '='))) {
*s = ' ';
sprintf(Line, "%s/%s", ProgName, *argv+1);
*s = '=';
if(Scan(ProgName, cmds, Line)) CmdError(*argv);
--argc;
++argv;
}
*n = argc;
*a = argv;
#ifdef MSDOS
if(dot) *dot = '.';
#endif
free(Line);
return 0;
}
int PrintParams(ValFlag, fp)
int ValFlag;
FILE *fp;
{
int i;
fflush(fp);
if(ValFlag) {
fprintf(fp, "Parameters Values:\n");
} else {
fprintf(fp, "Parameters:\n");
}
for(i=0; cmds[i].Name; i++) PrintParam(cmds+i, ValFlag, fp);
fprintf(fp, "\n");
fflush(fp);
return 0;
}
int SPrintParams(a, pfx)
char ***a,
*pfx;
{
int l,
n;
Cmd_T *cmd;
if(!pfx) pfx="";
l = strlen(pfx);
for(n=0, cmd=cmds; cmd->Name; cmd++) n += !!cmd->ArgStr;
a[0] = calloc(n, sizeof(char*));
for(n=0, cmd=cmds; cmd->Name; cmd++) {
if(!cmd->ArgStr) continue;
a[0][n] = malloc(strlen(cmd->Name)+strlen(cmd->ArgStr)+l+2);
sprintf(a[0][n], "%s%s=%s", pfx, cmd->Name, cmd->ArgStr);
++n;
}
return n;
}
static int CmdError(opt)
char *opt;
{
fprintf(stderr, "Invalid option \"%s\"\n", opt);
fprintf(stderr, "This program expectes the following parameters:\n");
PrintParams(FALSE, stderr);
exit(0);
}
static int PrintParam(cmd, ValFlag, fp)
Cmd_T *cmd;
int ValFlag;
FILE *fp;
{
fprintf(fp, "%4s", "");
switch(cmd->Type) {
case CMDDOUBLETYPE:
fprintf(fp, "%s", cmd->Name);
if(ValFlag) fprintf(fp, ": %22.15e", *(double *)cmd->Val);
fprintf(fp, "\n");
break;
case CMDENUMTYPE:
PrintEnum(cmd, ValFlag, fp);
break;
case CMDINTTYPE:
case CMDSUBRANGETYPE:
case CMDGTETYPE:
case CMDLTETYPE:
fprintf(fp, "%s", cmd->Name);
if(ValFlag) fprintf(fp, ": %d", *(int *)cmd->Val);
fprintf(fp, "\n");
break;
case CMDSTRINGTYPE:
fprintf(fp, "%s", cmd->Name);
if(ValFlag) {
if(*(char **)cmd->Val) {
fprintf(fp, ": \"%s\"", *(char **)cmd->Val);
} else {
fprintf(fp, ": %s", "NULL");
}
}
fprintf(fp, "\n");
break;
case CMDSTRARRAYTYPE:
PrintStrArray(cmd, ValFlag, fp);
break;
default:
fprintf(stderr, "%s: %s %d %s \"%s\"\n",
"PrintParam",
"Unknown Type",
cmd->Type,
"for parameter",
cmd->Name);
exit(1);
}
return 0;
}
static char *GetLine(fp, n, Line)
FILE *fp;
int n;
char *Line;
{
int j,
l,
offs=0;
for(;;) {
if(!fgets(Line+offs, n-offs, fp)) {
return NULL;
}
if(Line[offs]=='#') continue;
l = strlen(Line+offs)-1;
Line[offs+l] = 0;
for(j=offs; Line[j] && isspace(Line[j]); j++, l--)
;
if(l<1) continue;
if(j > offs) {
char *s = Line+offs,
*q = Line+j;
while((*s++=*q++))
;
}
if(Line[offs+l-1]=='\\') {
offs += l;
Line[offs-1] = ' ';
} else {
break;
}
}
return Line;
}
static int Scan(ProgName, cmds, Line)
char *ProgName,
*Line;
Cmd_T *cmds;
{
char *q,
*p;
int i,
hl,
HasToMatch = FALSE,
c0,
c;
p = Line+strspn(Line, SepString);
if(!(hl=strcspn(p, SepString))) {
return 0;
}
if((q=strchr(p, '/')) && q-p<hl) {
*q = 0;
if(strcmp(p, ProgName)) {
*q = '/';
return 0;
}
*q = '/';
HasToMatch=TRUE;
p = q+1;
}
if(!(hl = strcspn(p, SepString))) {
return 0;
}
c0 = p[hl];
p[hl] = 0;
for(i=0, c=1; cmds[i].Name&&(c=strcmp(cmds[i].Name, p))<0; i++)
;
p[hl] = c0;
if(!c) return SetParam(cmds+i, p+hl+strspn(p+hl, SepString));
return HasToMatch && c;
}
static int SetParam(cmd, s)
Cmd_T *cmd;
char *s;
{
if(!*s && cmd->Type != CMDSTRINGTYPE) {
fprintf(stderr,
"WARNING: No value specified for parameter \"%s\"\n",
cmd->Name);
return 0;
}
switch(cmd->Type) {
case CMDDOUBLETYPE:
if(sscanf(s, "%lf", (double*)cmd->Val)!=1) {
fprintf(stderr,
"Float value required for parameter \"%s\"\n",
cmd->Name);
exit(1);
}
break;
case CMDENUMTYPE:
SetEnum(cmd, s);
break;
case CMDINTTYPE:
if(sscanf(s, "%d", (int*)cmd->Val)!=1) {
fprintf(stderr,
"Integer value required for parameter \"%s\"\n",
cmd->Name);
exit(1);
}
break;
case CMDSTRINGTYPE:
*(char **)cmd->Val = (strcmp(s, "<NULL>") && strcmp(s, "NULL"))
? strdup(s)
: 0;
break;
case CMDSTRARRAYTYPE:
SetStrArray(cmd, s);
break;
case CMDGTETYPE:
SetGte(cmd, s);
break;
case CMDLTETYPE:
SetLte(cmd, s);
break;
case CMDSUBRANGETYPE:
SetSubrange(cmd, s);
break;
default:
fprintf(stderr, "%s: %s %d %s \"%s\"\n",
"SetParam",
"Unknown Type",
cmd->Type,
"for parameter",
cmd->Name);
exit(1);
}
cmd->ArgStr = strdup(s);
return 0;
}
static int SetEnum(cmd, s)
Cmd_T *cmd;
char *s;
{
Enum_T *en;
for(en=(Enum_T *)cmd->p; en->Name; en++) {
if(*en->Name && !strcmp(s, en->Name)) {
*(int *) cmd->Val = en->Idx;
return 0;
}
}
return EnumError(cmd, s);
}
static int SetSubrange(cmd, s)
Cmd_T *cmd;
char *s;
{
int n;
if(sscanf(s, "%d", &n)!=1) {
fprintf(stderr,
"Integer value required for parameter \"%s\"\n",
cmd->Name);
exit(1);
}
if(n < *(int *)cmd->p || n > *((int *)cmd->p+1)) {
return SubrangeError(cmd, n);
}
*(int *)cmd->Val = n;
return 0;
}
static int SetGte(cmd, s)
Cmd_T *cmd;
char *s;
{
int n;
if(sscanf(s, "%d", &n)!=1) {
fprintf(stderr,
"Integer value required for parameter \"%s\"\n",
cmd->Name);
exit(1);
}
if(n<*(int *)cmd->p) {
return GteError(cmd, n);
}
*(int *)cmd->Val = n;
return 0;
}
static int SetStrArray(cmd, s)
Cmd_T *cmd;
char *s;
{
*(char***)cmd->Val = str2array(s, (char*)cmd->p);
return 0;
}
static int SetLte(cmd, s)
Cmd_T *cmd;
char *s;
{
int n;
if(sscanf(s, "%d", &n)!=1) {
fprintf(stderr,
"Integer value required for parameter \"%s\"\n",
cmd->Name);
exit(1);
}
if(n > *(int *)cmd->p) {
return LteError(cmd, n);
}
*(int *)cmd->Val = n;
return 0;
}
static int EnumError(cmd, s)
Cmd_T *cmd;
char *s;
{
Enum_T *en;
fprintf(stderr,
"Invalid value \"%s\" for parameter \"%s\"\n", s, cmd->Name);
fprintf(stderr, "Valid values are:\n");
for(en=(Enum_T *)cmd->p; en->Name; en++) {
if(*en->Name) {
fprintf(stderr, " %s\n", en->Name);
}
}
fprintf(stderr, "\n");
exit(1);
}
static int GteError(cmd, n)
Cmd_T *cmd;
int n;
{
fprintf(stderr,
"Value %d out of range for parameter \"%s\"\n", n, cmd->Name);
fprintf(stderr, "Valid values must be greater than or equal to %d\n",
*(int *)cmd->p);
exit(1);
}
static int LteError(cmd, n)
Cmd_T *cmd;
int n;
{
fprintf(stderr,
"Value %d out of range for parameter \"%s\"\n", n, cmd->Name);
fprintf(stderr, "Valid values must be less than or equal to %d\n",
*(int *)cmd->p);
exit(1);
}
static int SubrangeError(cmd, n)
Cmd_T *cmd;
int n;
{
fprintf(stderr,
"Value %d out of range for parameter \"%s\"\n", n, cmd->Name);
fprintf(stderr, "Valid values range from %d to %d\n",
*(int *)cmd->p, *((int *)cmd->p+1));
exit(1);
}
static int PrintEnum(cmd, ValFlag, fp)
Cmd_T *cmd;
int ValFlag;
FILE *fp;
{
Enum_T *en;
fprintf(fp, "%s", cmd->Name);
if(ValFlag) {
for(en=(Enum_T *)cmd->p; en->Name; en++) {
if(*en->Name && en->Idx==*(int *)cmd->Val) {
fprintf(fp, ": %s", en->Name);
}
}
}
fprintf(fp, "\n");
return 0;
}
static int PrintStrArray(cmd, ValFlag, fp)
Cmd_T *cmd;
int ValFlag;
FILE *fp;
{
char *indent,
**s = *(char***)cmd->Val;
int l = 4+strlen(cmd->Name);
fprintf(fp, "%s", cmd->Name);
indent = malloc(l+2);
memset(indent, ' ', l+1);
indent[l+1] = 0;
if(ValFlag) {
fprintf(fp, ": %s", s ? (*s ? *s++ : "NULL") : "");
if(s) while(*s) {
fprintf(fp, "\n%s %s", indent, *s++);
}
}
free(indent);
fprintf(fp, "\n");
return 0;
}
static char **str2array(s, sep)
char *s,
*sep;
{
char *p,
**a;
int n = 0,
l;
if(!sep) sep = SepString;
p = s += strspn(s, sep);
while(*p) {
p += strcspn(p, sep);
p += strspn(p, sep);
++n;
}
a = calloc(n+1, sizeof(char *));
p = s;
n = 0;
while(*p) {
l = strcspn(p, sep);
a[n] = malloc(l+1);
memcpy(a[n], p, l);
a[n][l] = 0;
++n;
p += l;
p += strspn(p, sep);
}
return a;
}