diff options
Diffstat (limited to 'ruby/ext/google/protobuf_c/upb.h')
| -rw-r--r-- | ruby/ext/google/protobuf_c/upb.h | 58 |
1 files changed, 53 insertions, 5 deletions
diff --git a/ruby/ext/google/protobuf_c/upb.h b/ruby/ext/google/protobuf_c/upb.h index 150aef10..0e98bbab 100644 --- a/ruby/ext/google/protobuf_c/upb.h +++ b/ruby/ext/google/protobuf_c/upb.h @@ -600,6 +600,9 @@ typedef struct { // Like strdup(), which isn't always available since it's not ANSI C. char *upb_strdup(const char *s); +// Variant that works with a length-delimited rather than NULL-delimited string, +// as supported by strtable. +char *upb_strdup2(const char *s, size_t len); UPB_INLINE void _upb_value_setval(upb_value *v, _upb_value val, upb_ctype_t ctype) { @@ -654,12 +657,24 @@ FUNCS(fptr, fptr, upb_func*, UPB_CTYPE_FPTR); typedef union { uintptr_t num; - const char *str; // We own, nullz. + struct { + // We own this. NULL-terminated but may also contain binary data; see + // explicit length below. + // TODO: move the length to the start of the string in order to reduce + // tabkey's size (to one machine word) in a way that supports static + // initialization. + const char *str; + size_t length; + } s; } upb_tabkey; #define UPB_TABKEY_NUM(n) {n} #ifdef UPB_C99 -#define UPB_TABKEY_STR(s) {.str = s} +// Given that |s| is a string literal, sizeof(s) gives us a +// compile-time-constant strlen(). We must ensure that this works for static +// data initializers. +#define UPB_TABKEY_STR(strval) { .s = { .str = strval, \ + .length = sizeof(strval) - 1 } } #endif // TODO(haberman): C++ #define UPB_TABKEY_NONE {0} @@ -765,7 +780,14 @@ UPB_INLINE size_t upb_strtable_count(const upb_strtable *t) { // If a table resize was required but memory allocation failed, false is // returned and the table is unchanged. bool upb_inttable_insert(upb_inttable *t, uintptr_t key, upb_value val); -bool upb_strtable_insert(upb_strtable *t, const char *key, upb_value val); +bool upb_strtable_insert2(upb_strtable *t, const char *key, size_t len, + upb_value val); + +// For NULL-terminated strings. +UPB_INLINE bool upb_strtable_insert(upb_strtable *t, const char *key, + upb_value val) { + return upb_strtable_insert2(t, key, strlen(key), val); +} // Looks up key in this table, returning "true" if the key was found. // If v is non-NULL, copies the value for this key into *v. @@ -782,7 +804,14 @@ UPB_INLINE bool upb_strtable_lookup(const upb_strtable *t, const char *key, // Removes an item from the table. Returns true if the remove was successful, // and stores the removed item in *val if non-NULL. bool upb_inttable_remove(upb_inttable *t, uintptr_t key, upb_value *val); -bool upb_strtable_remove(upb_strtable *t, const char *key, upb_value *val); +bool upb_strtable_remove2(upb_strtable *t, const char *key, size_t len, + upb_value *val); + +// For NULL-terminated strings. +UPB_INLINE bool upb_strtable_remove(upb_strtable *t, const char *key, + upb_value *v) { + return upb_strtable_remove2(t, key, strlen(key), v); +} // Updates an existing entry in an inttable. If the entry does not exist, // returns false and does nothing. Unlike insert/remove, this does not @@ -876,6 +905,7 @@ void upb_strtable_begin(upb_strtable_iter *i, const upb_strtable *t); void upb_strtable_next(upb_strtable_iter *i); bool upb_strtable_done(const upb_strtable_iter *i); const char *upb_strtable_iter_key(upb_strtable_iter *i); +size_t upb_strtable_iter_keylength(upb_strtable_iter *i); upb_value upb_strtable_iter_value(const upb_strtable_iter *i); void upb_strtable_iter_setdone(upb_strtable_iter *i); bool upb_strtable_iter_isequal(const upb_strtable_iter *i1, @@ -1777,6 +1807,10 @@ UPB_DEFINE_DEF(upb::MessageDef, msgdef, MSG, UPB_QUOTE( // just be moved into symtab.c? MessageDef* Dup(const void* owner) const; + // Is this message a map entry? + void setmapentry(bool map_entry); + bool mapentry() const; + // Iteration over fields. The order is undefined. class iterator : public std::iterator<std::forward_iterator_tag, FieldDef*> { public: @@ -1823,6 +1857,11 @@ UPB_DEFINE_STRUCT(upb_msgdef, upb_def, upb_inttable itof; // int to field upb_strtable ntof; // name to field + // Is this a map-entry message? + // TODO: set this flag properly for static descriptors; regenerate + // descriptor.upb.c. + bool map_entry; + // TODO(haberman): proper extension ranges (there can be multiple). )); @@ -1830,7 +1869,7 @@ UPB_DEFINE_STRUCT(upb_msgdef, upb_def, refs, ref2s) \ { \ UPB_DEF_INIT(name, UPB_DEF_MSG, refs, ref2s), selector_count, \ - submsg_field_count, itof, ntof \ + submsg_field_count, itof, ntof, false \ } UPB_BEGIN_EXTERN_C // { @@ -1878,6 +1917,9 @@ UPB_INLINE upb_fielddef *upb_msgdef_ntof_mutable(upb_msgdef *m, return (upb_fielddef *)upb_msgdef_ntof(m, name, len); } +void upb_msgdef_setmapentry(upb_msgdef *m, bool map_entry); +bool upb_msgdef_mapentry(const upb_msgdef *m); + // upb_msg_iter i; // for(upb_msg_begin(&i, m); !upb_msg_done(&i); upb_msg_next(&i)) { // upb_fielddef *f = upb_msg_iter_field(&i); @@ -2331,6 +2373,12 @@ inline const FieldDef *MessageDef::FindFieldByName(const char *name, inline MessageDef* MessageDef::Dup(const void *owner) const { return upb_msgdef_dup(this, owner); } +inline void MessageDef::setmapentry(bool map_entry) { + upb_msgdef_setmapentry(this, map_entry); +} +inline bool MessageDef::mapentry() const { + return upb_msgdef_mapentry(this); +} inline MessageDef::iterator MessageDef::begin() { return iterator(this); } inline MessageDef::iterator MessageDef::end() { return iterator::end(this); } inline MessageDef::const_iterator MessageDef::begin() const { |