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ported "Allow .js preference files to set locked prefs with lock_pref()" patch

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This commit is contained in:
Roy Tam 2019-11-04 12:24:15 +08:00
commit 102302fa48
4 changed files with 17 additions and 5 deletions
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5
modules/libpref/prefapi.cpp
View file

@ -989,7 +989,8 @@ void PREF_ReaderCallback(void *closure,
PrefValue value,
PrefType type,
bool isDefault,
bool isStickyDefault)
bool isStickyDefault,
bool isLocked)
{
uint32_t flags = 0;
@ -1002,4 +1003,6 @@ void PREF_ReaderCallback(void *closure,
flags |= kPrefForceSet;
}
pref_HashPref(pref, value, type, flags);
if (isLocked)
PREF_LockPref(pref, true);
}

3
modules/libpref/prefapi.h
View file

@ -243,7 +243,8 @@ void PREF_ReaderCallback( void *closure,
PrefValue value,
PrefType type,
bool isDefault,
bool isStickyDefault);
bool isStickyDefault,
bool isLocked);
/*

10
modules/libpref/prefread.cpp
View file

@ -43,6 +43,7 @@ enum {
#define BITS_PER_HEX_DIGIT 4
static const char kUserPref[] = "user_pref";
static const char kLockPref[] = "lock_pref";
static const char kPref[] = "pref";
static const char kPrefSticky[] = "sticky_pref";
static const char kTrue[] = "true";
@ -146,7 +147,7 @@ pref_DoCallback(PrefParseState *ps)
break;
}
(*ps->reader)(ps->closure, ps->lb, value, ps->vtype, ps->fdefault,
ps->fstickydefault);
ps->fstickydefault, ps->flock);
return true;
}
@ -215,6 +216,7 @@ PREF_ParseBuf(PrefParseState *ps, const char *buf, int bufLen)
ps->vtype = PrefType::Invalid;
ps->fdefault = false;
ps->fstickydefault = false;
ps->flock = false;
}
switch (c) {
case '/': /* begin comment block or line? */
@ -225,11 +227,14 @@ PREF_ParseBuf(PrefParseState *ps, const char *buf, int bufLen)
break;
case 'u': /* indicating user_pref */
case 's': /* indicating sticky_pref */
case 'l': /* indicating lock_pref */
case 'p': /* indicating pref */
if (c == 'u') {
ps->smatch = kUserPref;
} else if (c == 's') {
ps->smatch = kPrefSticky;
} else if (c == 'l') {
ps->smatch = kLockPref;
} else {
ps->smatch = kPref;
}
@ -277,8 +282,9 @@ PREF_ParseBuf(PrefParseState *ps, const char *buf, int bufLen)
/* name parsing */
case PREF_PARSE_UNTIL_NAME:
if (c == '\"' || c == '\'') {
ps->fdefault = (ps->smatch == kPref || ps->smatch == kPrefSticky);
ps->fdefault = (ps->smatch == kPref || ps->smatch == kPrefSticky || ps->smatch == kLockPref);
ps->fstickydefault = (ps->smatch == kPrefSticky);
ps->flock = (ps->smatch == kLockPref);
ps->quotechar = c;
ps->nextstate = PREF_PARSE_UNTIL_COMMA; /* return here when done */
state = PREF_PARSE_QUOTED_STRING;

4
modules/libpref/prefread.h
View file

@ -34,7 +34,8 @@ typedef void (*PrefReader)(void *closure,
PrefValue val,
PrefType type,
bool defPref,
bool stickyPref);
bool stickyPref,
bool lockPref);
/**
* Report any errors or warnings we encounter during parsing.
@ -62,6 +63,7 @@ typedef struct PrefParseState {
PrefType vtype; /* PREF_STRING,INT,BOOL */
bool fdefault; /* true if (default) pref */
bool fstickydefault; /* true if (sticky) pref */
bool flock; /* true if pref to be locked */
} PrefParseState;
/**