Sweden-Number/dlls/msi/format.c

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/*
* Implementation of the Microsoft Installer (msi.dll)
*
* Copyright 2005 Mike McCormack for CodeWeavers
* Copyright 2005 Aric Stewart for CodeWeavers
*
* This 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.
*
* This library 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 this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdarg.h>
#include <stdio.h>
#define COBJMACROS
#include "windef.h"
#include "winbase.h"
#include "winerror.h"
#include "wine/debug.h"
#include "msi.h"
#include "winnls.h"
#include "objbase.h"
#include "oleauto.h"
#include "msipriv.h"
#include "msiserver.h"
#include "wine/unicode.h"
WINE_DEFAULT_DEBUG_CHANNEL(msi);
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/* types arranged by precedence */
#define FORMAT_NULL 0x0001
#define FORMAT_LITERAL 0x0002
#define FORMAT_NUMBER 0x0004
#define FORMAT_LBRACK 0x0010
#define FORMAT_LBRACE 0x0020
#define FORMAT_RBRACK 0x0011
#define FORMAT_RBRACE 0x0021
#define FORMAT_ESCAPE 0x0040
#define FORMAT_PROPNULL 0x0080
#define FORMAT_ERROR 0x1000
#define FORMAT_FAIL 0x2000
#define left_type(x) (x & 0xF0)
typedef struct _tagFORMAT
{
MSIPACKAGE *package;
MSIRECORD *record;
LPWSTR deformatted;
int len;
int n;
BOOL propfailed;
BOOL groupfailed;
int groups;
} FORMAT;
typedef struct _tagFORMSTR
{
struct list entry;
int n;
int len;
int type;
BOOL propfound;
BOOL nonprop;
} FORMSTR;
typedef struct _tagSTACK
{
struct list items;
} STACK;
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static STACK *create_stack(void)
{
STACK *stack = msi_alloc(sizeof(STACK));
list_init(&stack->items);
return stack;
}
static void free_stack(STACK *stack)
{
while (!list_empty(&stack->items))
{
FORMSTR *str = LIST_ENTRY(list_head(&stack->items), FORMSTR, entry);
list_remove(&str->entry);
msi_free(str);
}
msi_free(stack);
}
static void stack_push(STACK *stack, FORMSTR *str)
{
list_add_head(&stack->items, &str->entry);
}
static FORMSTR *stack_pop(STACK *stack)
{
FORMSTR *ret;
if (list_empty(&stack->items))
return NULL;
ret = LIST_ENTRY(list_head(&stack->items), FORMSTR, entry);
list_remove(&ret->entry);
return ret;
}
static FORMSTR *stack_find(STACK *stack, int type)
{
FORMSTR *str;
LIST_FOR_EACH_ENTRY(str, &stack->items, FORMSTR, entry)
{
if (str->type == type)
return str;
}
return NULL;
}
static FORMSTR *stack_peek(STACK *stack)
{
return LIST_ENTRY(list_head(&stack->items), FORMSTR, entry);
}
static LPCWSTR get_formstr_data(FORMAT *format, FORMSTR *str)
{
return &format->deformatted[str->n];
}
static LPWSTR dup_formstr(FORMAT *format, FORMSTR *str)
{
LPWSTR val;
LPCWSTR data;
if (str->len == 0)
return NULL;
val = msi_alloc((str->len + 1) * sizeof(WCHAR));
data = get_formstr_data(format, str);
lstrcpynW(val, data, str->len + 1);
return val;
}
static LPWSTR deformat_index(FORMAT *format, FORMSTR *str)
{
LPWSTR val, ret;
val = msi_alloc((str->len + 1) * sizeof(WCHAR));
lstrcpynW(val, get_formstr_data(format, str), str->len + 1);
ret = msi_dup_record_field(format->record, atoiW(val));
msi_free(val);
return ret;
}
static LPWSTR deformat_property(FORMAT *format, FORMSTR *str)
{
LPWSTR val, ret;
val = msi_alloc((str->len + 1) * sizeof(WCHAR));
lstrcpynW(val, get_formstr_data(format, str), str->len + 1);
ret = msi_dup_property(format->package, val);
msi_free(val);
return ret;
}
static LPWSTR deformat_component(FORMAT *format, FORMSTR *str)
{
LPWSTR key, ret = NULL;
MSICOMPONENT *comp;
BOOL source;
key = msi_alloc((str->len + 1) * sizeof(WCHAR));
lstrcpynW(key, get_formstr_data(format, str), str->len + 1);
comp = get_loaded_component(format->package, key);
if (!comp)
goto done;
source = (comp->Action == INSTALLSTATE_SOURCE) ? TRUE : FALSE;
ret = resolve_folder(format->package, comp->Directory, source, FALSE, TRUE, NULL);
done:
msi_free(key);
return ret;
}
static LPWSTR deformat_file(FORMAT *format, FORMSTR *str, BOOL shortname)
{
LPWSTR key, ret = NULL;
MSIFILE *file;
DWORD size;
key = msi_alloc((str->len + 1) * sizeof(WCHAR));
lstrcpynW(key, get_formstr_data(format, str), str->len + 1);
file = get_loaded_file(format->package, key);
if (!file)
goto done;
if (!shortname)
{
ret = strdupW(file->TargetPath);
goto done;
}
size = GetShortPathNameW(file->TargetPath, NULL, 0);
if (size <= 0)
{
ret = strdupW(file->TargetPath);
goto done;
}
size++;
ret = msi_alloc(size * sizeof(WCHAR));
GetShortPathNameW(file->TargetPath, ret, size);
done:
msi_free(key);
return ret;
}
static LPWSTR deformat_environment(FORMAT *format, FORMSTR *str)
{
LPWSTR key, ret = NULL;
DWORD sz;
key = msi_alloc((str->len + 1) * sizeof(WCHAR));
lstrcpynW(key, get_formstr_data(format, str), str->len + 1);
sz = GetEnvironmentVariableW(key, NULL ,0);
if (sz <= 0)
goto done;
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sz++;
ret = msi_alloc(sz * sizeof(WCHAR));
GetEnvironmentVariableW(key, ret, sz);
done:
msi_free(key);
return ret;
}
static LPWSTR deformat_literal(FORMAT *format, FORMSTR *str, BOOL *propfound,
BOOL *nonprop, int *type)
{
LPCWSTR data = get_formstr_data(format, str);
LPWSTR replaced = NULL;
char ch = data[0];
if (ch == '\\')
{
str->n++;
if (str->len == 1)
{
str->len = 0;
replaced = NULL;
}
else
{
str->len = 1;
replaced = dup_formstr(format, str);
}
}
else if (ch == '~')
{
if (str->len != 1)
replaced = NULL;
else
{
replaced = msi_alloc(sizeof(WCHAR));
*replaced = '\0';
}
}
else if (ch == '%' || ch == '#' || ch == '!' || ch == '$')
{
str->n++;
str->len--;
switch (ch)
{
case '%':
replaced = deformat_environment(format, str); break;
case '#':
replaced = deformat_file(format, str, FALSE); break;
case '!':
replaced = deformat_file(format, str, TRUE); break;
case '$':
replaced = deformat_component(format, str); break;
}
*type = FORMAT_LITERAL;
}
else
{
replaced = deformat_property(format, str);
*type = FORMAT_LITERAL;
if (replaced)
*propfound = TRUE;
else
format->propfailed = TRUE;
}
return replaced;
}
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static LPWSTR build_default_format(const MSIRECORD* record)
{
int i;
int count;
LPWSTR rc, buf;
static const WCHAR fmt[] = {'%','i',':',' ','%','s',' ',0};
static const WCHAR fmt_null[] = {'%','i',':',' ',' ',0};
static const WCHAR fmt_index[] = {'%','i',0};
LPCWSTR str;
WCHAR index[10];
DWORD size, max_len, len;
count = MSI_RecordGetFieldCount(record);
max_len = MAX_PATH;
buf = msi_alloc((max_len + 1) * sizeof(WCHAR));
rc = NULL;
size = 1;
for (i = 1; i <= count; i++)
{
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sprintfW(index, fmt_index, i);
str = MSI_RecordGetString(record, i);
len = (str) ? lstrlenW(str) : 0;
len += (sizeof(fmt_null)/sizeof(fmt_null[0]) - 3) + lstrlenW(index);
size += len;
if (len > max_len)
{
max_len = len;
buf = msi_realloc(buf, (max_len + 1) * sizeof(WCHAR));
if (!buf) return NULL;
}
if (str)
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sprintfW(buf, fmt, i, str);
else
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sprintfW(buf, fmt_null, i);
if (!rc)
{
rc = msi_alloc(size * sizeof(WCHAR));
lstrcpyW(rc, buf);
}
else
{
rc = msi_realloc(rc, size * sizeof(WCHAR));
lstrcatW(rc, buf);
}
}
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msi_free(buf);
return rc;
}
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static BOOL format_is_number(WCHAR x)
{
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return ((x >= '0') && (x <= '9'));
}
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static BOOL format_str_is_number(LPWSTR str)
{
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LPWSTR ptr;
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for (ptr = str; *ptr; ptr++)
if (!format_is_number(*ptr))
return FALSE;
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return TRUE;
}
static BOOL format_is_alpha(WCHAR x)
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{
return (!format_is_number(x) && x != '\0' &&
x != '[' && x != ']' && x != '{' && x != '}');
}
static BOOL format_is_literal(WCHAR x)
{
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return (format_is_alpha(x) || format_is_number(x));
}
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static int format_lex(FORMAT *format, FORMSTR **out)
{
int type, len = 1;
FORMSTR *str;
LPCWSTR data;
WCHAR ch;
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*out = NULL;
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if (!format->deformatted)
return FORMAT_NULL;
*out = msi_alloc_zero(sizeof(FORMSTR));
if (!*out)
return FORMAT_FAIL;
str = *out;
str->n = format->n;
str->len = 1;
data = get_formstr_data(format, str);
ch = data[0];
switch (ch)
{
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case '{': type = FORMAT_LBRACE; break;
case '}': type = FORMAT_RBRACE; break;
case '[': type = FORMAT_LBRACK; break;
case ']': type = FORMAT_RBRACK; break;
case '~': type = FORMAT_PROPNULL; break;
case '\0': type = FORMAT_NULL; break;
default:
type = 0;
}
if (type)
{
str->type = type;
format->n++;
return type;
}
if (ch == '\\')
{
while (data[len] && data[len] != ']')
len++;
type = FORMAT_ESCAPE;
}
else if (format_is_alpha(ch))
{
while (format_is_literal(data[len]))
len++;
type = FORMAT_LITERAL;
}
else if (format_is_number(ch))
{
while (format_is_number(data[len]))
len++;
type = FORMAT_NUMBER;
if (data[len] != ']')
{
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while (format_is_literal(data[len]))
len++;
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type = FORMAT_LITERAL;
}
}
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else
{
ERR("Got unknown character %c(%x)\n", ch, ch);
return FORMAT_ERROR;
}
format->n += len;
str->len = len;
str->type = type;
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return type;
}
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static FORMSTR *format_replace(FORMAT *format, BOOL propfound, BOOL nonprop,
int oldsize, int type, LPWSTR replace)
{
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FORMSTR *ret;
LPWSTR str, ptr;
DWORD size = 0;
int n;
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if (replace)
{
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if (!*replace)
size = 1;
else
size = lstrlenW(replace);
}
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size -= oldsize;
size = format->len + size + 1;
if (size <= 1)
{
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msi_free(format->deformatted);
format->deformatted = NULL;
format->len = 0;
return NULL;
}
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str = msi_alloc(size * sizeof(WCHAR));
if (!str)
return NULL;
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str[0] = '\0';
memcpy(str, format->deformatted, format->n * sizeof(WCHAR));
n = format->n;
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if (replace)
{
if (!*replace)
{
str[n] = '\0';
n++;
}
else
{
lstrcpyW(&str[n], replace);
n += lstrlenW(replace);
}
}
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ptr = &format->deformatted[format->n + oldsize];
memcpy(&str[n], ptr, (lstrlenW(ptr) + 1) * sizeof(WCHAR));
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msi_free(format->deformatted);
format->deformatted = str;
format->len = size - 1;
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/* don't reformat the NULL */
if (replace && !*replace)
format->n++;
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if (!replace)
return NULL;
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ret = msi_alloc_zero(sizeof(FORMSTR));
if (!ret)
return NULL;
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ret->len = lstrlenW(replace);
ret->type = type;
ret->n = format->n;
ret->propfound = propfound;
ret->nonprop = nonprop;
return ret;
}
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static LPWSTR replace_stack_group(FORMAT *format, STACK *values,
BOOL *propfound, BOOL *nonprop,
int *oldsize, int *type)
{
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LPWSTR replaced = NULL;
FORMSTR *content;
FORMSTR *node;
int n;
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*nonprop = FALSE;
*propfound = FALSE;
node = stack_pop(values);
n = node->n;
*oldsize = node->len;
msi_free(node);
while ((node = stack_pop(values)))
{
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*oldsize += node->len;
if (node->nonprop)
*nonprop = TRUE;
if (node->propfound)
*propfound = TRUE;
msi_free(node);
}
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content = msi_alloc_zero(sizeof(FORMSTR));
content->n = n;
content->len = *oldsize;
content->type = FORMAT_LITERAL;
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if (!format->groupfailed && (*oldsize == 2 ||
(format->propfailed && !*nonprop)))
{
msi_free(content);
return NULL;
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}
else if (format->deformatted[content->n + 1] == '{' &&
format->deformatted[content->n + content->len - 2] == '}')
{
format->groupfailed = FALSE;
content->len = 0;
}
else if (*propfound && !*nonprop &&
!format->groupfailed && format->groups == 0)
{
content->n++;
content->len -= 2;
}
else
{
if (format->groups != 0)
format->groupfailed = TRUE;
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*nonprop = TRUE;
}
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replaced = dup_formstr(format, content);
*type = content->type;
msi_free(content);
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if (format->groups == 0)
format->propfailed = FALSE;
return replaced;
}
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static LPWSTR replace_stack_prop(FORMAT *format, STACK *values,
BOOL *propfound, BOOL *nonprop,
int *oldsize, int *type)
{
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LPWSTR replaced = NULL;
FORMSTR *content;
FORMSTR *node;
int n;
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*propfound = FALSE;
*nonprop = FALSE;
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node = stack_pop(values);
n = node->n;
*oldsize = node->len;
*type = stack_peek(values)->type;
msi_free(node);
while ((node = stack_pop(values)))
{
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*oldsize += node->len;
if (*type != FORMAT_ESCAPE &&
stack_peek(values) && node->type != *type)
*type = FORMAT_LITERAL;
msi_free(node);
}
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content = msi_alloc_zero(sizeof(FORMSTR));
content->n = n + 1;
content->len = *oldsize - 2;
content->type = *type;
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if (*type == FORMAT_NUMBER)
{
replaced = deformat_index(format, content);
if (replaced)
*propfound = TRUE;
else
format->propfailed = TRUE;
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if (replaced)
*type = format_str_is_number(replaced) ?
FORMAT_NUMBER : FORMAT_LITERAL;
}
else if (format->package)
{
replaced = deformat_literal(format, content, propfound, nonprop, type);
}
else
{
*nonprop = TRUE;
content->n--;
content->len += 2;
replaced = dup_formstr(format, content);
}
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msi_free(content);
return replaced;
}
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static UINT replace_stack(FORMAT *format, STACK *stack, STACK *values)
{
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LPWSTR replaced = NULL;
FORMSTR *beg;
FORMSTR *top;
FORMSTR *node;
BOOL propfound = FALSE;
BOOL nonprop = FALSE;
BOOL group = FALSE;
int oldsize = 0;
int type, n;
node = stack_peek(values);
type = node->type;
n = node->n;
if (type == FORMAT_LBRACK)
replaced = replace_stack_prop(format, values, &propfound,
&nonprop, &oldsize, &type);
else if (type == FORMAT_LBRACE)
{
replaced = replace_stack_group(format, values, &propfound,
&nonprop, &oldsize, &type);
group = TRUE;
}
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format->n = n;
beg = format_replace(format, propfound, nonprop, oldsize, type, replaced);
if (!beg)
return ERROR_SUCCESS;
msi_free(replaced);
format->n = beg->n + beg->len;
top = stack_peek(stack);
if (top)
{
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type = top->type;
if ((type == FORMAT_LITERAL || type == FORMAT_NUMBER) &&
type == beg->type)
{
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top->len += beg->len;
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if (group)
top->nonprop = FALSE;
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if (type == FORMAT_LITERAL)
top->nonprop = beg->nonprop;
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if (beg->propfound)
top->propfound = TRUE;
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msi_free(beg);
return ERROR_SUCCESS;
}
}
stack_push(stack, beg);
return ERROR_SUCCESS;
}
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static BOOL verify_format(LPWSTR data)
{
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int count = 0;
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while (*data)
{
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if (*data == '[' && *(data - 1) != '\\')
count++;
else if (*data == ']')
count--;
data++;
}
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if (count > 0)
return FALSE;
return TRUE;
}
static DWORD deformat_string_internal(MSIPACKAGE *package, LPCWSTR ptr,
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WCHAR** data, DWORD *len,
MSIRECORD* record, INT* failcount)
{
FORMAT format;
FORMSTR *str = NULL;
STACK *stack, *temp;
FORMSTR *node;
int type;
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if (!ptr)
{
*data = NULL;
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*len = 0;
return ERROR_SUCCESS;
}
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*data = strdupW(ptr);
*len = lstrlenW(ptr);
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ZeroMemory(&format, sizeof(FORMAT));
format.package = package;
format.record = record;
format.deformatted = *data;
format.len = *len;
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stack = create_stack();
temp = create_stack();
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if (!verify_format(*data))
return ERROR_SUCCESS;
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while ((type = format_lex(&format, &str)) != FORMAT_NULL)
{
if (type == FORMAT_LBRACK || type == FORMAT_LBRACE ||
type == FORMAT_LITERAL || type == FORMAT_NUMBER ||
type == FORMAT_ESCAPE || type == FORMAT_PROPNULL)
{
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if (type == FORMAT_LBRACE)
{
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format.propfailed = FALSE;
format.groups++;
}
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else if (type == FORMAT_ESCAPE &&
!stack_find(stack, FORMAT_LBRACK))
{
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format.n -= str->len - 1;
str->len = 1;
}
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stack_push(stack, str);
}
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else if (type == FORMAT_RBRACK || type == FORMAT_RBRACE)
{
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if (type == FORMAT_RBRACE)
format.groups--;
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stack_push(stack, str);
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if (stack_find(stack, left_type(type)))
{
do
{
node = stack_pop(stack);
stack_push(temp, node);
} while (node->type != left_type(type));
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replace_stack(&format, stack, temp);
}
}
}
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*data = format.deformatted;
*len = format.len;
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msi_free(str);
free_stack(stack);
free_stack(temp);
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return ERROR_SUCCESS;
}
UINT MSI_FormatRecordW( MSIPACKAGE* package, MSIRECORD* record, LPWSTR buffer,
LPDWORD size )
{
LPWSTR deformated;
LPWSTR rec;
DWORD len;
UINT rc = ERROR_INVALID_PARAMETER;
TRACE("%p %p %p %i\n", package, record ,buffer, *size);
rec = msi_dup_record_field(record,0);
if (!rec)
rec = build_default_format(record);
TRACE("(%s)\n",debugstr_w(rec));
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deformat_string_internal(package, rec, &deformated, &len, record, NULL);
if (buffer)
{
if (*size>len)
{
memcpy(buffer,deformated,len*sizeof(WCHAR));
rc = ERROR_SUCCESS;
buffer[len] = 0;
}
else
{
if (*size > 0)
{
memcpy(buffer,deformated,(*size)*sizeof(WCHAR));
buffer[(*size)-1] = 0;
}
rc = ERROR_MORE_DATA;
}
}
else
rc = ERROR_SUCCESS;
*size = len;
msi_free(rec);
msi_free(deformated);
return rc;
}
UINT WINAPI MsiFormatRecordW( MSIHANDLE hInstall, MSIHANDLE hRecord,
LPWSTR szResult, LPDWORD sz )
{
UINT r = ERROR_INVALID_HANDLE;
MSIPACKAGE *package;
MSIRECORD *record;
TRACE("%ld %ld %p %p\n", hInstall, hRecord, szResult, sz);
package = msihandle2msiinfo( hInstall, MSIHANDLETYPE_PACKAGE );
if (!package)
{
HRESULT hr;
IWineMsiRemotePackage *remote_package;
BSTR value = NULL;
DWORD len;
awstring wstr;
remote_package = (IWineMsiRemotePackage *)msi_get_remote( hInstall );
if (remote_package)
{
len = 0;
hr = IWineMsiRemotePackage_FormatRecord( remote_package, hRecord,
NULL, &len );
if (FAILED(hr))
goto done;
len++;
value = SysAllocStringLen( NULL, len );
if (!value)
{
r = ERROR_OUTOFMEMORY;
goto done;
}
hr = IWineMsiRemotePackage_FormatRecord( remote_package, hRecord,
value, &len );
if (FAILED(hr))
goto done;
wstr.unicode = TRUE;
wstr.str.w = szResult;
r = msi_strcpy_to_awstring( value, &wstr, sz );
done:
IWineMsiRemotePackage_Release( remote_package );
SysFreeString( value );
if (FAILED(hr))
{
if (HRESULT_FACILITY(hr) == FACILITY_WIN32)
return HRESULT_CODE(hr);
return ERROR_FUNCTION_FAILED;
}
return r;
}
}
record = msihandle2msiinfo( hRecord, MSIHANDLETYPE_RECORD );
if (!record)
return ERROR_INVALID_HANDLE;
if (!sz)
{
msiobj_release( &record->hdr );
if (szResult)
return ERROR_INVALID_PARAMETER;
else
return ERROR_SUCCESS;
}
r = MSI_FormatRecordW( package, record, szResult, sz );
msiobj_release( &record->hdr );
if (package)
msiobj_release( &package->hdr );
return r;
}
UINT WINAPI MsiFormatRecordA( MSIHANDLE hInstall, MSIHANDLE hRecord,
LPSTR szResult, LPDWORD sz )
{
UINT r;
DWORD len, save;
LPWSTR value;
TRACE("%ld %ld %p %p\n", hInstall, hRecord, szResult, sz);
if (!hRecord)
return ERROR_INVALID_HANDLE;
if (!sz)
{
if (szResult)
return ERROR_INVALID_PARAMETER;
else
return ERROR_SUCCESS;
}
r = MsiFormatRecordW( hInstall, hRecord, NULL, &len );
if (r != ERROR_SUCCESS)
return r;
value = msi_alloc(++len * sizeof(WCHAR));
if (!value)
return ERROR_OUTOFMEMORY;
r = MsiFormatRecordW( hInstall, hRecord, value, &len );
if (r != ERROR_SUCCESS)
goto done;
save = len + 1;
2008-02-04 22:59:21 +01:00
len = WideCharToMultiByte(CP_ACP, 0, value, len + 1, NULL, 0, NULL, NULL);
WideCharToMultiByte(CP_ACP, 0, value, len, szResult, *sz, NULL, NULL);
if (szResult && len > *sz)
{
if (*sz) szResult[*sz - 1] = '\0';
r = ERROR_MORE_DATA;
}
*sz = save - 1;
done:
msi_free(value);
return r;
}