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regedit: Perform value name operations in the state machine. 

Signed-off-by: Hugh McMaster <hugh.mcmaster@outlook.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Hugh McMaster 2017-06-15 12:01:26 +00:00 committed by Alexandre Julliard
parent ca98e23451
commit d60c31eadb
2 changed files with 101 additions and 47 deletions
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146
programs/regedit/regproc.c
View File

@ -138,6 +138,10 @@ enum parser_state
LINE_START, /* at the beginning of a registry line */
KEY_NAME, /* parsing a key name */
DELETE_KEY, /* deleting a registry key */
DEFAULT_VALUE_NAME, /* parsing a default value name */
QUOTED_VALUE_NAME, /* parsing a double-quoted value name */
DATA_START, /* preparing for data parsing operations */
DELETE_VALUE, /* deleting a registry value */
SET_VALUE, /* adding a value to the registry */
NB_PARSER_STATES
};
@ -163,6 +167,10 @@ static WCHAR *parse_win31_line_state(struct parser *parser, WCHAR *pos);
static WCHAR *line_start_state(struct parser *parser, WCHAR *pos);
static WCHAR *key_name_state(struct parser *parser, WCHAR *pos);
static WCHAR *delete_key_state(struct parser *parser, WCHAR *pos);
static WCHAR *default_value_name_state(struct parser *parser, WCHAR *pos);
static WCHAR *quoted_value_name_state(struct parser *parser, WCHAR *pos);
static WCHAR *data_start_state(struct parser *parser, WCHAR *pos);
static WCHAR *delete_value_state(struct parser *parser, WCHAR *pos);
static WCHAR *set_value_state(struct parser *parser, WCHAR *pos);
static const parser_state_func parser_funcs[NB_PARSER_STATES] =
@ -172,6 +180,10 @@ static const parser_state_func parser_funcs[NB_PARSER_STATES] =
line_start_state, /* LINE_START */
key_name_state, /* KEY_NAME */
delete_key_state, /* DELETE_KEY */
default_value_name_state, /* DEFAULT_VALUE_NAME */
quoted_value_name_state, /* QUOTED_VALUE_NAME */
data_start_state, /* DATA_START */
delete_value_state, /* DELETE_VALUE */
set_value_state, /* SET_VALUE */
};
@ -435,7 +447,7 @@ static LONG setValue(WCHAR* val_name, WCHAR* val_data, BOOL is_unicode)
DWORD dwData, dwLen;
WCHAR del[] = {'-',0};
if ( (val_name == NULL) || (val_data == NULL) )
if (!val_data)
return ERROR_INVALID_PARAMETER;
if (lstrcmpW(val_data, del) == 0)
@ -549,49 +561,6 @@ static LONG openKeyW(WCHAR* stdInput)
}
/******************************************************************************
* This function is a wrapper for the setValue function. It prepares the
* land and cleans the area once completed.
* Note: this function modifies the line parameter.
*
* line - registry file unwrapped line. Should have the registry value name and
* complete registry value data.
*/
static void processSetValue(WCHAR* line, BOOL is_unicode)
{
WCHAR *val_name;
int len = 0;
LONG res;
/* get value name */
val_name = line;
if (*line == '@')
*line++ = 0;
else if (!REGPROC_unescape_string(++val_name, &line))
goto error;
while (*line == ' ' || *line == '\t') line++;
if (*line != '=')
goto error;
line++;
while (*line == ' ' || *line == '\t') line++;
/* trim trailing blanks */
len = strlenW(line);
while (len > 0 && (line[len - 1] == ' ' || line[len - 1] == '\t')) len--;
line[len] = 0;
res = setValue(val_name, line, is_unicode);
if ( res != ERROR_SUCCESS )
output_message(STRING_SETVALUE_FAILED, val_name, currentKeyName);
return;
error:
output_message(STRING_SETVALUE_FAILED, val_name, currentKeyName);
output_message(STRING_INVALID_LINE_SYNTAX);
}
enum reg_versions {
REG_VERSION_31,
REG_VERSION_40,
@ -728,9 +697,11 @@ static WCHAR *line_start_state(struct parser *parser, WCHAR *pos)
set_state(parser, KEY_NAME);
return p + 1;
case '@':
case '"':
processSetValue(p, parser->is_unicode);
set_state(parser, DEFAULT_VALUE_NAME);
return p;
case '"':
set_state(parser, QUOTED_VALUE_NAME);
return p + 1;
case ' ':
case '\t':
break;
@ -778,6 +749,86 @@ static WCHAR *delete_key_state(struct parser *parser, WCHAR *pos)
return p;
}
/* handler for parser DEFAULT_VALUE_NAME state */
static WCHAR *default_value_name_state(struct parser *parser, WCHAR *pos)
{
parser->value_name = NULL;
set_state(parser, DATA_START);
return pos + 1;
}
/* handler for parser QUOTED_VALUE_NAME state */
static WCHAR *quoted_value_name_state(struct parser *parser, WCHAR *pos)
{
WCHAR *val_name = pos, *p;
if (parser->value_name)
{
HeapFree(GetProcessHeap(), 0, parser->value_name);
parser->value_name = NULL;
}
if (!REGPROC_unescape_string(val_name, &p))
goto invalid;
/* copy the value name in case we need to parse multiple lines and the buffer is overwritten */
parser->value_name = HeapAlloc(GetProcessHeap(), 0, (lstrlenW(val_name) + 1) * sizeof(WCHAR));
CHECK_ENOUGH_MEMORY(parser->value_name);
lstrcpyW(parser->value_name, val_name);
set_state(parser, DATA_START);
return p;
invalid:
set_state(parser, LINE_START);
return p;
}
/* handler for parser DATA_START state */
static WCHAR *data_start_state(struct parser *parser, WCHAR *pos)
{
WCHAR *p = pos;
unsigned int len;
while (*p == ' ' || *p == '\t') p++;
if (*p != '=') goto done;
p++;
while (*p == ' ' || *p == '\t') p++;
/* trim trailing whitespace */
len = strlenW(p);
while (len > 0 && (p[len - 1] == ' ' || p[len - 1] == '\t')) len--;
p[len] = 0;
if (*p == '-')
{
set_state(parser, DELETE_VALUE);
return p;
}
else if (setValue(parser->value_name, p, parser->is_unicode) != ERROR_SUCCESS)
output_message(STRING_SETVALUE_FAILED, parser->value_name, currentKeyName);
done:
set_state(parser, LINE_START);
return p;
}
/* handler for parser DELETE_VALUE state */
static WCHAR *delete_value_state(struct parser *parser, WCHAR *pos)
{
WCHAR *p = pos + 1;
while (*p == ' ' || *p == '\t') p++;
if (*p && *p != ';') goto done;
RegDeleteValueW(currentKeyHandle, parser->value_name);
done:
set_state(parser, LINE_START);
return p;
}
/* handler for parser SET_VALUE state */
static WCHAR *set_value_state(struct parser *parser, WCHAR *pos)
{
@ -1432,6 +1483,9 @@ BOOL import_registry_file(FILE *reg_file)
if (parser.reg_version == REG_VERSION_FUZZY || parser.reg_version == REG_VERSION_INVALID)
return parser.reg_version == REG_VERSION_FUZZY;
if (parser.value_name)
HeapFree(GetProcessHeap(), 0, parser.value_name);
closeKey();
return TRUE;
}

2
programs/regedit/tests/regedit.c
View File

@ -1289,7 +1289,7 @@ static void test_value_deletion(void)
verify_reg_nonexist(hkey, "Wine46b");
verify_reg_nonexist(hkey, "Wine46c");
verify_reg(hkey, "Wine46d", REG_MULTI_SZ, "Line concatenation\0", 20, 0);
todo_wine verify_reg_nonexist(hkey, "Wine46e");
verify_reg_nonexist(hkey, "Wine46e");
verify_reg(hkey, "Wine46f", REG_NONE, "V\0a\0l\0u\0e\0\0", 12, 0);
lr = RegCloseKey(hkey);