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Codechange: remove some completely unused squirrel files

pull/14197/head
Rubidium 2025-05-03 13:22:25 +02:00 committed by rubidium42
parent 85f1110569
commit b6afd8d2b6
4 changed files with 0 additions and 926 deletions
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1
src/3rdparty/squirrel/include/CMakeLists.txt vendored
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@ -1,6 +1,5 @@
add_files(
sqstdaux.h
sqstdmath.h
sqstdstring.h
squirrel.h
)

23
src/3rdparty/squirrel/include/sqstdstring.h vendored
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@ -1,23 +0,0 @@
/* see copyright notice in squirrel.h */
#ifndef _SQSTD_STRING_H_
#define _SQSTD_STRING_H_
typedef unsigned int SQRexBool;
typedef struct SQRex SQRex;
typedef struct {
const SQChar *begin;
SQInteger len;
} SQRexMatch;
SQRex *sqstd_rex_compile(const SQChar *pattern,const SQChar **error);
void sqstd_rex_free(SQRex *exp);
SQBool sqstd_rex_match(SQRex* exp,const SQChar* text);
SQBool sqstd_rex_search(SQRex* exp,const SQChar* text, const SQChar** out_begin, const SQChar** out_end);
SQBool sqstd_rex_searchrange(SQRex* exp,const SQChar* text_begin,const SQChar* text_end,const SQChar** out_begin, const SQChar** out_end);
SQInteger sqstd_rex_getsubexpcount(SQRex* exp);
SQBool sqstd_rex_getsubexp(SQRex* exp, SQInteger n, SQRexMatch *subexp);
SQRESULT sqstd_register_stringlib(HSQUIRRELVM v);
#endif /*_SQSTD_STRING_H_*/

632
src/3rdparty/squirrel/sqstdlib/sqstdrex.cpp vendored
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@ -1,632 +0,0 @@
/* see copyright notice in squirrel.h */
#include <squirrel.h>
#include <exception>
#include "sqstdstring.h"
#ifdef _UNICODE
#define scisprint iswprint
#else
#define scisprint isprint
#endif
#ifdef _DEBUG
static const SQChar *g_nnames[] =
{
"NONE","OP_GREEDY", "OP_OR",
"OP_EXPR","OP_NOCAPEXPR","OP_DOT", "OP_CLASS",
"OP_CCLASS","OP_NCLASS","OP_RANGE","OP_CHAR",
"OP_EOL","OP_BOL","OP_WB"
};
#endif
#define OP_GREEDY (MAX_CHAR+1) // * + ? {n}
#define OP_OR (MAX_CHAR+2)
#define OP_EXPR (MAX_CHAR+3) //parentesis ()
#define OP_NOCAPEXPR (MAX_CHAR+4) //parentesis (?:)
#define OP_DOT (MAX_CHAR+5)
#define OP_CLASS (MAX_CHAR+6)
#define OP_CCLASS (MAX_CHAR+7)
#define OP_NCLASS (MAX_CHAR+8) //negates class the [^
#define OP_RANGE (MAX_CHAR+9)
#define OP_CHAR (MAX_CHAR+10)
#define OP_EOL (MAX_CHAR+11)
#define OP_BOL (MAX_CHAR+12)
#define OP_WB (MAX_CHAR+13)
#define SQREX_SYMBOL_ANY_CHAR ('.')
#define SQREX_SYMBOL_GREEDY_ONE_OR_MORE ('+')
#define SQREX_SYMBOL_GREEDY_ZERO_OR_MORE ('*')
#define SQREX_SYMBOL_GREEDY_ZERO_OR_ONE ('?')
#define SQREX_SYMBOL_BRANCH ('|')
#define SQREX_SYMBOL_END_OF_STRING ('$')
#define SQREX_SYMBOL_BEGINNING_OF_STRING ('^')
#define SQREX_SYMBOL_ESCAPE_CHAR ('\\')
typedef int SQRexNodeType;
typedef struct tagSQRexNode{
SQRexNodeType type;
SQInteger left;
SQInteger right;
SQInteger next;
}SQRexNode;
struct SQRex{
const SQChar *_eol;
const SQChar *_bol;
const SQChar *_p;
SQInteger _first;
SQInteger _op;
SQRexNode *_nodes;
SQInteger _nallocated;
SQInteger _nsize;
SQInteger _nsubexpr;
SQRexMatch *_matches;
SQInteger _currsubexp;
const SQChar **_error;
};
static SQInteger sqstd_rex_list(SQRex *exp);
static SQInteger sqstd_rex_newnode(SQRex *exp, SQRexNodeType type)
{
SQRexNode n;
n.type = type;
n.next = n.right = n.left = -1;
if(type == OP_EXPR)
n.right = exp->_nsubexpr++;
if(exp->_nallocated < (exp->_nsize + 1)) {
SQInteger oldsize = exp->_nallocated;
exp->_nallocated *= 2;
exp->_nodes = (SQRexNode *)sq_realloc(exp->_nodes, oldsize * sizeof(SQRexNode) ,exp->_nallocated * sizeof(SQRexNode));
}
exp->_nodes[exp->_nsize++] = n;
SQInteger newid = exp->_nsize - 1;
return (SQInteger)newid;
}
static void sqstd_rex_error(SQRex *exp,const SQChar *error)
{
if(exp->_error) *exp->_error = error;
throw std::exception();
}
static void sqstd_rex_expect(SQRex *exp, SQChar n){
if((*exp->_p) != n)
sqstd_rex_error(exp, "expected paren");
exp->_p++;
}
static SQChar sqstd_rex_escapechar(SQRex *exp)
{
if(*exp->_p == SQREX_SYMBOL_ESCAPE_CHAR){
exp->_p++;
switch(*exp->_p) {
case 'v': exp->_p++; return '\v';
case 'n': exp->_p++; return '\n';
case 't': exp->_p++; return '\t';
case 'r': exp->_p++; return '\r';
case 'f': exp->_p++; return '\f';
default: return (*exp->_p++);
}
} else if(!scisprint(*exp->_p)) sqstd_rex_error(exp,"letter expected");
return (*exp->_p++);
}
static SQInteger sqstd_rex_charclass(SQRex *exp,SQInteger classid)
{
SQInteger n = sqstd_rex_newnode(exp,OP_CCLASS);
exp->_nodes[n].left = classid;
return n;
}
static SQInteger sqstd_rex_charnode(SQRex *exp,SQBool isclass)
{
SQChar t;
if(*exp->_p == SQREX_SYMBOL_ESCAPE_CHAR) {
exp->_p++;
switch(*exp->_p) {
case 'n': exp->_p++; return sqstd_rex_newnode(exp,'\n');
case 't': exp->_p++; return sqstd_rex_newnode(exp,'\t');
case 'r': exp->_p++; return sqstd_rex_newnode(exp,'\r');
case 'f': exp->_p++; return sqstd_rex_newnode(exp,'\f');
case 'v': exp->_p++; return sqstd_rex_newnode(exp,'\v');
case 'a': case 'A': case 'w': case 'W': case 's': case 'S':
case 'd': case 'D': case 'x': case 'X': case 'c': case 'C':
case 'p': case 'P': case 'l': case 'u':
{
t = *exp->_p; exp->_p++;
return sqstd_rex_charclass(exp,t);
}
case 'b':
case 'B':
if(!isclass) {
SQInteger node = sqstd_rex_newnode(exp,OP_WB);
exp->_nodes[node].left = *exp->_p;
exp->_p++;
return node;
} //else default
default:
t = *exp->_p; exp->_p++;
return sqstd_rex_newnode(exp,t);
}
}
else if(!scisprint(*exp->_p)) {
sqstd_rex_error(exp,"letter expected");
}
t = *exp->_p; exp->_p++;
return sqstd_rex_newnode(exp,t);
}
static SQInteger sqstd_rex_class(SQRex *exp)
{
SQInteger ret = -1;
SQInteger first = -1,chain;
if(*exp->_p == SQREX_SYMBOL_BEGINNING_OF_STRING){
ret = sqstd_rex_newnode(exp,OP_NCLASS);
exp->_p++;
}else ret = sqstd_rex_newnode(exp,OP_CLASS);
if(*exp->_p == ']') sqstd_rex_error(exp,"empty class");
chain = ret;
while(*exp->_p != ']' && exp->_p != exp->_eol) {
if(*exp->_p == '-' && first != -1){
SQInteger r;
if(*exp->_p++ == ']') sqstd_rex_error(exp,"unfinished range");
r = sqstd_rex_newnode(exp,OP_RANGE);
if(exp->_nodes[first].type>*exp->_p) sqstd_rex_error(exp,"invalid range");
if(exp->_nodes[first].type == OP_CCLASS) sqstd_rex_error(exp,"cannot use character classes in ranges");
exp->_nodes[r].left = exp->_nodes[first].type;
SQInteger t = sqstd_rex_escapechar(exp);
exp->_nodes[r].right = t;
exp->_nodes[chain].next = r;
chain = r;
first = -1;
}
else{
if(first!=-1){
SQInteger c = first;
exp->_nodes[chain].next = c;
chain = c;
first = sqstd_rex_charnode(exp,SQTrue);
}
else{
first = sqstd_rex_charnode(exp,SQTrue);
}
}
}
if(first!=-1){
SQInteger c = first;
exp->_nodes[chain].next = c;
chain = c;
first = -1;
}
/* hack? */
exp->_nodes[ret].left = exp->_nodes[ret].next;
exp->_nodes[ret].next = -1;
return ret;
}
static SQInteger sqstd_rex_parsenumber(SQRex *exp)
{
SQInteger ret = *exp->_p-'0';
SQInteger positions = 10;
exp->_p++;
while(isdigit(*exp->_p)) {
ret = ret*10+(*exp->_p++-'0');
if(positions==1000000000) sqstd_rex_error(exp,"overflow in numeric constant");
positions *= 10;
};
return ret;
}
static SQInteger sqstd_rex_element(SQRex *exp)
{
SQInteger ret = -1;
switch(*exp->_p)
{
case '(': {
SQInteger expr;
exp->_p++;
if(*exp->_p =='?') {
exp->_p++;
sqstd_rex_expect(exp,':');
expr = sqstd_rex_newnode(exp,OP_NOCAPEXPR);
}
else
expr = sqstd_rex_newnode(exp,OP_EXPR);
SQInteger newn = sqstd_rex_list(exp);
exp->_nodes[expr].left = newn;
ret = expr;
sqstd_rex_expect(exp,')');
}
break;
case '[':
exp->_p++;
ret = sqstd_rex_class(exp);
sqstd_rex_expect(exp,']');
break;
case SQREX_SYMBOL_END_OF_STRING: exp->_p++; ret = sqstd_rex_newnode(exp,OP_EOL);break;
case SQREX_SYMBOL_ANY_CHAR: exp->_p++; ret = sqstd_rex_newnode(exp,OP_DOT);break;
default:
ret = sqstd_rex_charnode(exp,SQFalse);
break;
}
SQInteger op;
SQBool isgreedy = SQFalse;
unsigned short p0 = 0, p1 = 0;
switch(*exp->_p){
case SQREX_SYMBOL_GREEDY_ZERO_OR_MORE: p0 = 0; p1 = 0xFFFF; exp->_p++; isgreedy = SQTrue; break;
case SQREX_SYMBOL_GREEDY_ONE_OR_MORE: p0 = 1; p1 = 0xFFFF; exp->_p++; isgreedy = SQTrue; break;
case SQREX_SYMBOL_GREEDY_ZERO_OR_ONE: p0 = 0; p1 = 1; exp->_p++; isgreedy = SQTrue; break;
case '{':
exp->_p++;
if(!isdigit(*exp->_p)) sqstd_rex_error(exp,"number expected");
p0 = (unsigned short)sqstd_rex_parsenumber(exp);
/*******************************/
switch(*exp->_p) {
case '}':
p1 = p0; exp->_p++;
break;
case ',':
exp->_p++;
p1 = 0xFFFF;
if(isdigit(*exp->_p)){
p1 = (unsigned short)sqstd_rex_parsenumber(exp);
}
sqstd_rex_expect(exp,'}');
break;
default:
sqstd_rex_error(exp,", or } expected");
}
/*******************************/
isgreedy = SQTrue;
break;
}
if(isgreedy) {
SQInteger nnode = sqstd_rex_newnode(exp,OP_GREEDY);
op = OP_GREEDY;
exp->_nodes[nnode].left = ret;
exp->_nodes[nnode].right = ((p0)<<16)|p1;
ret = nnode;
}
if((*exp->_p != SQREX_SYMBOL_BRANCH) && (*exp->_p != ')') && (*exp->_p != SQREX_SYMBOL_GREEDY_ZERO_OR_MORE) && (*exp->_p != SQREX_SYMBOL_GREEDY_ONE_OR_MORE) && (*exp->_p != '\0')) {
SQInteger nnode = sqstd_rex_element(exp);
exp->_nodes[ret].next = nnode;
}
return ret;
}
static SQInteger sqstd_rex_list(SQRex *exp)
{
SQInteger ret=-1,e;
if(*exp->_p == SQREX_SYMBOL_BEGINNING_OF_STRING) {
exp->_p++;
ret = sqstd_rex_newnode(exp,OP_BOL);
}
e = sqstd_rex_element(exp);
if(ret != -1) {
exp->_nodes[ret].next = e;
}
else ret = e;
if(*exp->_p == SQREX_SYMBOL_BRANCH) {
SQInteger temp,tright;
exp->_p++;
temp = sqstd_rex_newnode(exp,OP_OR);
exp->_nodes[temp].left = ret;
tright = sqstd_rex_list(exp);
exp->_nodes[temp].right = tright;
ret = temp;
}
return ret;
}
static SQBool sqstd_rex_matchcclass(SQInteger cclass,SQChar c)
{
switch(cclass) {
case 'a': return isalpha(c)?SQTrue:SQFalse;
case 'A': return !isalpha(c)?SQTrue:SQFalse;
case 'w': return (isalnum(c) || c == '_')?SQTrue:SQFalse;
case 'W': return (!isalnum(c) && c != '_')?SQTrue:SQFalse;
case 's': return isspace(c)?SQTrue:SQFalse;
case 'S': return !isspace(c)?SQTrue:SQFalse;
case 'd': return isdigit(c)?SQTrue:SQFalse;
case 'D': return !isdigit(c)?SQTrue:SQFalse;
case 'x': return isxdigit(c)?SQTrue:SQFalse;
case 'X': return !isxdigit(c)?SQTrue:SQFalse;
case 'c': return iscntrl(c)?SQTrue:SQFalse;
case 'C': return !iscntrl(c)?SQTrue:SQFalse;
case 'p': return ispunct(c)?SQTrue:SQFalse;
case 'P': return !ispunct(c)?SQTrue:SQFalse;
case 'l': return islower(c)?SQTrue:SQFalse;
case 'u': return isupper(c)?SQTrue:SQFalse;
}
return SQFalse; /*cannot happen*/
}
static SQBool sqstd_rex_matchclass(SQRex* exp,SQRexNode *node,SQInteger c)
{
do {
switch(node->type) {
case OP_RANGE:
if(c >= node->left && c <= node->right) return SQTrue;
break;
case OP_CCLASS:
if(sqstd_rex_matchcclass(node->left,c)) return SQTrue;
break;
default:
if(c == node->type)return SQTrue;
}
} while((node->next != -1) && (node = &exp->_nodes[node->next]));
return SQFalse;
}
static const SQChar *sqstd_rex_matchnode(SQRex* exp,SQRexNode *node,const SQChar *str,SQRexNode *next)
{
SQRexNodeType type = node->type;
switch(type) {
case OP_GREEDY: {
//SQRexNode *greedystop = (node->next != -1) ? &exp->_nodes[node->next] : nullptr;
SQRexNode *greedystop = nullptr;
SQInteger p0 = (node->right >> 16)&0x0000FFFF, p1 = node->right&0x0000FFFF, nmaches = 0;
const SQChar *s=str, *good = str;
if(node->next != -1) {
greedystop = &exp->_nodes[node->next];
}
else {
greedystop = next;
}
while((nmaches == 0xFFFF || nmaches < p1)) {
const SQChar *stop;
if(!(s = sqstd_rex_matchnode(exp,&exp->_nodes[node->left],s,greedystop)))
break;
nmaches++;
good=s;
if(greedystop) {
//checks that 0 matches satisfy the expression(if so skips)
//if not would always stop(for instance if is a '?')
if(greedystop->type != OP_GREEDY ||
(greedystop->type == OP_GREEDY && ((greedystop->right >> 16)&0x0000FFFF) != 0))
{
SQRexNode *gnext = nullptr;
if(greedystop->next != -1) {
gnext = &exp->_nodes[greedystop->next];
}else if(next && next->next != -1){
gnext = &exp->_nodes[next->next];
}
stop = sqstd_rex_matchnode(exp,greedystop,s,gnext);
if(stop) {
//if satisfied stop it
if(p0 == p1 && p0 == nmaches) break;
else if(nmaches >= p0 && p1 == 0xFFFF) break;
else if(nmaches >= p0 && nmaches <= p1) break;
}
}
}
if(s >= exp->_eol)
break;
}
if(p0 == p1 && p0 == nmaches) return good;
else if(nmaches >= p0 && p1 == 0xFFFF) return good;
else if(nmaches >= p0 && nmaches <= p1) return good;
return nullptr;
}
case OP_OR: {
const SQChar *asd = str;
SQRexNode *temp=&exp->_nodes[node->left];
while( (asd = sqstd_rex_matchnode(exp,temp,asd,nullptr)) ) {
if(temp->next != -1)
temp = &exp->_nodes[temp->next];
else
return asd;
}
asd = str;
temp = &exp->_nodes[node->right];
while( (asd = sqstd_rex_matchnode(exp,temp,asd,nullptr)) ) {
if(temp->next != -1)
temp = &exp->_nodes[temp->next];
else
return asd;
}
return nullptr;
break;
}
case OP_EXPR:
case OP_NOCAPEXPR:{
SQRexNode *n = &exp->_nodes[node->left];
const SQChar *cur = str;
SQInteger capture = -1;
if(node->type != OP_NOCAPEXPR && node->right == exp->_currsubexp) {
capture = exp->_currsubexp;
exp->_matches[capture].begin = cur;
exp->_currsubexp++;
}
do {
SQRexNode *subnext = nullptr;
if(n->next != -1) {
subnext = &exp->_nodes[n->next];
}else {
subnext = next;
}
if(!(cur = sqstd_rex_matchnode(exp,n,cur,subnext))) {
if(capture != -1){
exp->_matches[capture].begin = 0;
exp->_matches[capture].len = 0;
}
return nullptr;
}
} while((n->next != -1) && (n = &exp->_nodes[n->next]));
if(capture != -1)
exp->_matches[capture].len = cur - exp->_matches[capture].begin;
return cur;
}
case OP_WB:
if((str == exp->_bol && !isspace(*str))
|| (str == exp->_eol && !isspace(*(str-1)))
|| (!isspace(*str) && isspace(*(str+1)))
|| (isspace(*str) && !isspace(*(str+1))) ) {
return (node->left == 'b')?str:nullptr;
}
return (node->left == 'b')?nullptr:str;
case OP_BOL:
if(str == exp->_bol) return str;
return nullptr;
case OP_EOL:
if(str == exp->_eol) return str;
return nullptr;
case OP_DOT:{
*str++;
}
return str;
case OP_NCLASS:
case OP_CLASS:
if(sqstd_rex_matchclass(exp,&exp->_nodes[node->left],*str)?(type == OP_CLASS?SQTrue:SQFalse):(type == OP_NCLASS?SQTrue:SQFalse)) {
*str++;
return str;
}
return nullptr;
case OP_CCLASS:
if(sqstd_rex_matchcclass(node->left,*str)) {
*str++;
return str;
}
return nullptr;
default: /* char */
if(*str != (SQChar)node->type) return nullptr;
*str++;
return str;
}
return nullptr;
}
/* public api */
SQRex *sqstd_rex_compile(const SQChar *pattern,const SQChar **error)
{
SQRex *exp = (SQRex *)sq_malloc(sizeof(SQRex));
exp->_eol = exp->_bol = nullptr;
exp->_p = pattern;
exp->_nallocated = (SQInteger)strlen(pattern) * sizeof(SQChar);
exp->_nodes = (SQRexNode *)sq_malloc(exp->_nallocated * sizeof(SQRexNode));
exp->_nsize = 0;
exp->_matches = 0;
exp->_nsubexpr = 0;
exp->_first = sqstd_rex_newnode(exp,OP_EXPR);
exp->_error = error;
try {
SQInteger res = sqstd_rex_list(exp);
exp->_nodes[exp->_first].left = res;
if(*exp->_p!='\0')
sqstd_rex_error(exp,"unexpected character");
#ifdef _DEBUG
{
SQInteger nsize,i;
SQRexNode *t;
nsize = exp->_nsize;
t = &exp->_nodes[0];
printf("\n");
/* XXX -- The (int) casts are needed to silent warnings on 64bit systems (SQInteger is 64bit, %d assumes 32bit, (int) is 32bit) */
for(i = 0;i < nsize; i++) {
if(exp->_nodes[i].type>MAX_CHAR)
printf("[%02d] %10s ",(int)i,g_nnames[exp->_nodes[i].type-MAX_CHAR]);
else
printf("[%02d] %10c ",(int)i,exp->_nodes[i].type);
printf("left %02d right %02d next %02d\n",(int)exp->_nodes[i].left,(int)exp->_nodes[i].right,(int)exp->_nodes[i].next);
}
printf("\n");
}
#endif
exp->_matches = (SQRexMatch *) sq_malloc(exp->_nsubexpr * sizeof(SQRexMatch));
memset(exp->_matches,0,exp->_nsubexpr * sizeof(SQRexMatch));
}
catch (...) {
sqstd_rex_free(exp);
return nullptr;
}
return exp;
}
void sqstd_rex_free(SQRex *exp)
{
if(exp) {
if(exp->_nodes) sq_free(exp->_nodes,exp->_nallocated * sizeof(SQRexNode));
if(exp->_matches) sq_free(exp->_matches,exp->_nsubexpr * sizeof(SQRexMatch));
sq_free(exp,sizeof(SQRex));
}
}
SQBool sqstd_rex_match(SQRex* exp,const SQChar* text)
{
const SQChar* res = nullptr;
exp->_bol = text;
exp->_eol = text + strlen(text);
exp->_currsubexp = 0;
res = sqstd_rex_matchnode(exp,exp->_nodes,text,nullptr);
if(res == nullptr || res != exp->_eol)
return SQFalse;
return SQTrue;
}
SQBool sqstd_rex_searchrange(SQRex* exp,const SQChar* text_begin,const SQChar* text_end,const SQChar** out_begin, const SQChar** out_end)
{
const SQChar *cur = nullptr;
SQInteger node = exp->_first;
if(text_begin >= text_end) return SQFalse;
exp->_bol = text_begin;
exp->_eol = text_end;
do {
cur = text_begin;
while(node != -1) {
exp->_currsubexp = 0;
cur = sqstd_rex_matchnode(exp,&exp->_nodes[node],cur,nullptr);
if(!cur)
break;
node = exp->_nodes[node].next;
}
*text_begin++;
} while(cur == nullptr && text_begin != text_end);
if(cur == nullptr)
return SQFalse;
--text_begin;
if(out_begin) *out_begin = text_begin;
if(out_end) *out_end = cur;
return SQTrue;
}
SQBool sqstd_rex_search(SQRex* exp,const SQChar* text, const SQChar** out_begin, const SQChar** out_end)
{
return sqstd_rex_searchrange(exp,text,text + strlen(text),out_begin,out_end);
}
SQInteger sqstd_rex_getsubexpcount(SQRex* exp)
{
return exp->_nsubexpr;
}
SQBool sqstd_rex_getsubexp(SQRex* exp, SQInteger n, SQRexMatch *subexp)
{
if( n<0 || n >= exp->_nsubexpr) return SQFalse;
*subexp = exp->_matches[n];
return SQTrue;
}

270
src/3rdparty/squirrel/sqstdlib/sqstdstring.cpp vendored
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@ -1,270 +0,0 @@
/* see copyright notice in squirrel.h */
#include <squirrel.h>
#include <sqstdstring.h>
#define scstrchr strchr
#define scatoi atoi
#define scstrtok strtok
#define MAX_FORMAT_LEN 20
#define MAX_WFORMAT_LEN 3
#define ADDITIONAL_FORMAT_SPACE (100*sizeof(SQChar))
static SQInteger validate_format(HSQUIRRELVM v, SQChar *fmt, const SQChar *src, SQInteger n,SQInteger &width)
{
SQChar swidth[MAX_WFORMAT_LEN];
SQInteger wc = 0;
SQInteger start = n;
fmt[0] = '%';
while (scstrchr("-+ #0", src[n])) n++;
while (isdigit(src[n])) {
swidth[wc] = src[n];
n++;
wc++;
if(wc>=MAX_WFORMAT_LEN)
return sq_throwerror(v,"width format too long");
}
swidth[wc] = '\0';
if(wc > 0) {
width = atoi(swidth);
}
else
width = 0;
if (src[n] == '.') {
n++;
wc = 0;
while (isdigit(src[n])) {
swidth[wc] = src[n];
n++;
wc++;
if(wc>=MAX_WFORMAT_LEN)
return sq_throwerror(v,"precision format too long");
}
swidth[wc] = '\0';
if(wc > 0) {
width += atoi(swidth);
}
}
if (n-start > MAX_FORMAT_LEN )
return sq_throwerror(v,"format too long");
memcpy(&fmt[1],&src[start],((n-start)+1)*sizeof(SQChar));
fmt[(n-start)+2] = '\0';
return n;
}
static void __strip_l(const SQChar *str,const SQChar **start)
{
const SQChar *t = str;
while(((*t) != '\0') && isspace(*t)){ t++; }
*start = t;
}
static void __strip_r(const SQChar *str,SQInteger len,const SQChar **end)
{
if(len == 0) {
*end = str;
return;
}
const SQChar *t = &str[len-1];
while(t != str && isspace(*t)) { t--; }
*end = t+1;
}
static SQInteger _string_strip(HSQUIRRELVM v)
{
const SQChar *str,*start,*end;
sq_getstring(v,2,&str);
SQInteger len = sq_getsize(v,2);
__strip_l(str,&start);
__strip_r(str,len,&end);
sq_pushstring(v,start,end - start);
return 1;
}
static SQInteger _string_lstrip(HSQUIRRELVM v)
{
const SQChar *str,*start;
sq_getstring(v,2,&str);
__strip_l(str,&start);
sq_pushstring(v,start,-1);
return 1;
}
static SQInteger _string_rstrip(HSQUIRRELVM v)
{
const SQChar *str,*end;
sq_getstring(v,2,&str);
SQInteger len = sq_getsize(v,2);
__strip_r(str,len,&end);
sq_pushstring(v,str,end - str);
return 1;
}
static SQInteger _string_split(HSQUIRRELVM v)
{
const SQChar *str,*seps;
SQChar *stemp,*tok;
sq_getstring(v,2,&str);
sq_getstring(v,3,&seps);
if(sq_getsize(v,3) == 0) return sq_throwerror(v,"empty separators string");
SQInteger memsize = (sq_getsize(v,2)+1)*sizeof(SQChar);
stemp = sq_getscratchpad(v,memsize);
memcpy(stemp,str,memsize);
tok = scstrtok(stemp,seps);
sq_newarray(v,0);
while( tok != nullptr ) {
sq_pushstring(v,tok,-1);
sq_arrayappend(v,-2);
tok = scstrtok( nullptr, seps );
}
return 1;
}
#define SETUP_REX(v) \
SQRex *self = nullptr; \
sq_getinstanceup(v,1,(SQUserPointer *)&self,0);
static SQInteger _rexobj_releasehook(SQUserPointer p, SQInteger size)
{
SQRex *self = ((SQRex *)p);
sqstd_rex_free(self);
return 1;
}
static SQInteger _regexp_match(HSQUIRRELVM v)
{
SETUP_REX(v);
const SQChar *str;
sq_getstring(v,2,&str);
if(sqstd_rex_match(self,str) == SQTrue)
{
sq_pushbool(v,SQTrue);
return 1;
}
sq_pushbool(v,SQFalse);
return 1;
}
static void _addrexmatch(HSQUIRRELVM v,const SQChar *str,const SQChar *begin,const SQChar *end)
{
sq_newtable(v);
sq_pushstring(v,"begin",-1);
sq_pushinteger(v,begin - str);
sq_rawset(v,-3);
sq_pushstring(v,"end",-1);
sq_pushinteger(v,end - str);
sq_rawset(v,-3);
}
static SQInteger _regexp_search(HSQUIRRELVM v)
{
SETUP_REX(v);
const SQChar *str,*begin,*end;
SQInteger start = 0;
sq_getstring(v,2,&str);
if(sq_gettop(v) > 2) sq_getinteger(v,3,&start);
if(sqstd_rex_search(self,str+start,&begin,&end) == SQTrue) {
_addrexmatch(v,str,begin,end);
return 1;
}
return 0;
}
static SQInteger _regexp_capture(HSQUIRRELVM v)
{
SETUP_REX(v);
const SQChar *str,*begin,*end;
SQInteger start = 0;
sq_getstring(v,2,&str);
if(sq_gettop(v) > 2) sq_getinteger(v,3,&start);
if(sqstd_rex_search(self,str+start,&begin,&end) == SQTrue) {
SQInteger n = sqstd_rex_getsubexpcount(self);
SQRexMatch match;
sq_newarray(v,0);
for(SQInteger i = 0;i < n; i++) {
sqstd_rex_getsubexp(self,i,&match);
if(match.len > 0)
_addrexmatch(v,str,match.begin,match.begin+match.len);
else
_addrexmatch(v,str,str,str); //empty match
sq_arrayappend(v,-2);
}
return 1;
}
return 0;
}
static SQInteger _regexp_subexpcount(HSQUIRRELVM v)
{
SETUP_REX(v);
sq_pushinteger(v,sqstd_rex_getsubexpcount(self));
return 1;
}
static SQInteger _regexp_constructor(HSQUIRRELVM v)
{
const SQChar *error,*pattern;
sq_getstring(v,2,&pattern);
SQRex *rex = sqstd_rex_compile(pattern,&error);
if(!rex) return sq_throwerror(v,error);
sq_setinstanceup(v,1,rex);
sq_setreleasehook(v,1,_rexobj_releasehook);
return 0;
}
static SQInteger _regexp__typeof(HSQUIRRELVM v)
{
sq_pushstring(v,"regexp",-1);
return 1;
}
#define _DECL_REX_FUNC(name,nparams,pmask) {#name,_regexp_##name,nparams,pmask}
static SQRegFunction rexobj_funcs[]={
_DECL_REX_FUNC(constructor,2,".s"),
_DECL_REX_FUNC(search,-2,"xsn"),
_DECL_REX_FUNC(match,2,"xs"),
_DECL_REX_FUNC(capture,-2,"xsn"),
_DECL_REX_FUNC(subexpcount,1,"x"),
_DECL_REX_FUNC(_typeof,1,"x"),
{0,0,0,0}
};
#define _DECL_FUNC(name,nparams,pmask) {#name,_string_##name,nparams,pmask}
static SQRegFunction stringlib_funcs[]={
_DECL_FUNC(format,-2,".s"),
_DECL_FUNC(strip,2,".s"),
_DECL_FUNC(lstrip,2,".s"),
_DECL_FUNC(rstrip,2,".s"),
_DECL_FUNC(split,3,".ss"),
{0,0,0,0}
};
SQInteger sqstd_register_stringlib(HSQUIRRELVM v)
{
sq_pushstring(v,"regexp",-1);
sq_newclass(v,SQFalse);
SQInteger i = 0;
while(rexobj_funcs[i].name != 0) {
SQRegFunction &f = rexobj_funcs[i];
sq_pushstring(v,f.name,-1);
sq_newclosure(v,f.f,0);
sq_setparamscheck(v,f.nparamscheck,f.typemask);
sq_setnativeclosurename(v,-1,f.name);
sq_createslot(v,-3);
i++;
}
sq_createslot(v,-3);
i = 0;
while(stringlib_funcs[i].name!=0)
{
sq_pushstring(v,stringlib_funcs[i].name,-1);
sq_newclosure(v,stringlib_funcs[i].f,0);
sq_setparamscheck(v,stringlib_funcs[i].nparamscheck,stringlib_funcs[i].typemask);
sq_setnativeclosurename(v,-1,stringlib_funcs[i].name);
sq_createslot(v,-3);
i++;
}
return 1;
}