+++ /dev/null
-/*
- * UCW Library -- A simple XML parser
- *
- * (c) 2007--2008 Pavel Charvat <pchar@ucw.cz>
- *
- * This software may be freely distributed and used according to the terms
- * of the GNU Lesser General Public License.
- */
-
-#ifndef _UCW_XML_INTERNALS_H
-#define _UCW_XML_INTERNALS_H
-
-#include <xml/xml.h>
-#include <xml/dtd.h>
-
-#ifdef CONFIG_UCW_CLEAN_ABI
-#define xml_attrs_table_cleanup ucw_xml_attrs_table_cleanup
-#define xml_attrs_table_init ucw_xml_attrs_table_init
-#define xml_fatal_expected ucw_xml_fatal_expected
-#define xml_fatal_expected_quot ucw_xml_fatal_expected_quot
-#define xml_fatal_expected_white ucw_xml_fatal_expected_white
-#define xml_fatal_nested ucw_xml_fatal_nested
-#define xml_hash_new ucw_xml_hash_new
-#define xml_parse_attr_list_decl ucw_xml_parse_attr_list_decl
-#define xml_parse_attr_value ucw_xml_parse_attr_value
-#define xml_parse_char_ref ucw_xml_parse_char_ref
-#define xml_parse_element_decl ucw_xml_parse_element_decl
-#define xml_parse_entity_decl ucw_xml_parse_entity_decl
-#define xml_parse_eq ucw_xml_parse_eq
-#define xml_parse_name ucw_xml_parse_name
-#define xml_parse_nmtoken ucw_xml_parse_nmtoken
-#define xml_parse_notation_decl ucw_xml_parse_notation_decl
-#define xml_parse_pe_ref ucw_xml_parse_pe_ref
-#define xml_parse_pubid_literal ucw_xml_parse_pubid_literal
-#define xml_parse_system_literal ucw_xml_parse_system_literal
-#define xml_pop_comment ucw_xml_pop_comment
-#define xml_pop_pi ucw_xml_pop_pi
-#define xml_push_comment ucw_xml_push_comment
-#define xml_push_entity ucw_xml_push_entity
-#define xml_push_pi ucw_xml_push_pi
-#define xml_push_source ucw_xml_push_source
-#define xml_refill ucw_xml_refill
-#define xml_skip_comment ucw_xml_skip_comment
-#define xml_skip_internal_subset ucw_xml_skip_internal_subset
-#define xml_skip_name ucw_xml_skip_name
-#define xml_skip_pi ucw_xml_skip_pi
-#define xml_sources_cleanup ucw_xml_sources_cleanup
-#define xml_spout_chars ucw_xml_spout_chars
-#define xml_throw ucw_xml_throw
-#define xml_validate_attr ucw_xml_validate_attr
-#endif
-
-/*** Debugging ***/
-
-#ifdef LOCAL_DEBUG
-#define TRACE(c, f, p...) do { DBG("XML %u: " f, xml_row(c), ##p); } while(0)
-#else
-#define TRACE(c, f, p...) do {} while(0)
-#endif
-
-/*** Error handling ***/
-
-void NONRET xml_throw(struct xml_context *ctx);
-
-/*** Memory management ***/
-
-struct xml_stack {
- struct xml_stack *next;
- struct mempool_state state;
- uint flags;
-};
-
-static inline void *xml_do_push(struct xml_context *ctx, uint size)
-{
- /* Saves ctx->stack and ctx->flags state */
- struct mempool_state state;
- mp_save(ctx->stack, &state);
- struct xml_stack *s = mp_alloc(ctx->stack, size);
- s->state = state;
- s->flags = ctx->flags;
- s->next = ctx->stack_list;
- ctx->stack_list = s;
- return s;
-}
-
-static inline void xml_do_pop(struct xml_context *ctx, struct xml_stack *s)
-{
- /* Restore ctx->stack and ctx->flags state */
- ctx->stack_list = s->next;
- ctx->flags = s->flags;
- mp_restore(ctx->stack, &s->state);
-}
-
-static inline void xml_push(struct xml_context *ctx)
-{
- TRACE(ctx, "push");
- xml_do_push(ctx, sizeof(struct xml_stack));
-}
-
-static inline void xml_pop(struct xml_context *ctx)
-{
- TRACE(ctx, "pop");
- ASSERT(ctx->stack_list);
- xml_do_pop(ctx, ctx->stack_list);
-}
-
-struct xml_dom_stack {
- struct xml_stack stack;
- struct mempool_state state;
-};
-
-static inline struct xml_node *xml_push_dom(struct xml_context *ctx, struct mempool_state *state)
-{
- /* Create a new DOM node */
- TRACE(ctx, "push_dom");
- struct xml_dom_stack *s = xml_do_push(ctx, sizeof(*s));
- if (state)
- s->state = *state;
- else
- mp_save(ctx->pool, &s->state);
- struct xml_node *n = mp_alloc(ctx->pool, sizeof(*n));
- n->user = NULL;
- if (n->parent = ctx->node)
- clist_add_tail(&n->parent->sons, &n->n);
- return ctx->node = n;
-}
-
-static inline void xml_pop_dom(struct xml_context *ctx, uint free)
-{
- /* Leave DOM subtree */
- TRACE(ctx, "pop_dom");
- ASSERT(ctx->node);
- struct xml_node *p = ctx->node->parent;
- struct xml_dom_stack *s = (void *)ctx->stack_list;
- if (free)
- {
- /* See xml_pop_element() for cleanup of attribute hash table */
- if (p)
- clist_remove(&ctx->node->n);
- mp_restore(ctx->pool, &s->state);
- }
- ctx->node = p;
- xml_do_pop(ctx, &s->stack);
-}
-
-#define XML_HASH_HDR_SIZE ALIGN_TO(sizeof(void *), CPU_STRUCT_ALIGN)
-#define XML_HASH_GIVE_ALLOC struct HASH_PREFIX(table); \
- static inline void *HASH_PREFIX(alloc)(struct HASH_PREFIX(table) *t, uint size) \
- { return mp_alloc(*(void **)((void *)t - XML_HASH_HDR_SIZE), size); } \
- static inline void HASH_PREFIX(free)(struct HASH_PREFIX(table) *t UNUSED, void *p UNUSED) {}
-
-void *xml_hash_new(struct mempool *pool, uint size);
-
-void xml_spout_chars(struct fastbuf *fb);
-
-/*** Reading of document/external entities ***/
-
-void NONRET xml_fatal_nested(struct xml_context *ctx);
-
-static inline void xml_inc(struct xml_context *ctx)
-{
- /* Called after the first character of a block */
- TRACE(ctx, "inc");
- ctx->depth++;
-}
-
-static inline void xml_dec(struct xml_context *ctx)
-{
- /* Called after the last character of a block */
- TRACE(ctx, "dec");
- if (unlikely(!ctx->depth--))
- xml_fatal_nested(ctx);
-}
-
-#include "obj/xml/unicat.h"
-
-static inline uint xml_char_cat(uint c)
-{
- if (c < 0x10000)
- return 1U << ucw_xml_char_tab1[(c & 0xff) + ucw_xml_char_tab2[c >> 8]];
- else if (likely(c < 0x110000))
- return 1U << ucw_xml_char_tab3[c >> 16];
- else
- return 1;
-}
-
-static inline uint xml_ascii_cat(uint c)
-{
- return ucw_xml_char_tab1[c];
-}
-
-struct xml_source *xml_push_source(struct xml_context *ctx);
-void xml_push_entity(struct xml_context *ctx, struct xml_dtd_entity *ent);
-
-void xml_refill(struct xml_context *ctx);
-
-static inline uint xml_peek_char(struct xml_context *ctx)
-{
- if (ctx->bptr == ctx->bstop)
- xml_refill(ctx);
- return ctx->bptr[0];
-}
-
-static inline uint xml_peek_cat(struct xml_context *ctx)
-{
- if (ctx->bptr == ctx->bstop)
- xml_refill(ctx);
- return ctx->bptr[1];
-}
-
-static inline uint xml_get_char(struct xml_context *ctx)
-{
- uint c = xml_peek_char(ctx);
- ctx->bptr += 2;
- return c;
-}
-
-static inline uint xml_get_cat(struct xml_context *ctx)
-{
- uint c = xml_peek_cat(ctx);
- ctx->bptr += 2;
- return c;
-}
-
-static inline uint xml_last_char(struct xml_context *ctx)
-{
- return ctx->bptr[-2];
-}
-
-static inline uint xml_last_cat(struct xml_context *ctx)
-{
- return ctx->bptr[-1];
-}
-
-static inline uint xml_skip_char(struct xml_context *ctx)
-{
- uint c = ctx->bptr[0];
- ctx->bptr += 2;
- return c;
-}
-
-static inline uint xml_unget_char(struct xml_context *ctx)
-{
- return *(ctx->bptr -= 2);
-}
-
-void xml_sources_cleanup(struct xml_context *ctx);
-
-/*** Parsing ***/
-
-void NONRET xml_fatal_expected(struct xml_context *ctx, uint c);
-void NONRET xml_fatal_expected_white(struct xml_context *ctx);
-void NONRET xml_fatal_expected_quot(struct xml_context *ctx);
-
-static inline uint xml_parse_white(struct xml_context *ctx, uint mandatory)
-{
- /* mandatory=1 -> S ::= (#x20 | #x9 | #xD | #xA)+
- * mandatory=0 -> S? */
- uint cnt = 0;
- while (xml_peek_cat(ctx) & XML_CHAR_WHITE)
- {
- xml_skip_char(ctx);
- cnt++;
- }
- if (unlikely(mandatory && !cnt))
- xml_fatal_expected_white(ctx);
- return cnt;
-}
-
-static inline void xml_parse_char(struct xml_context *ctx, uint c)
-{
- /* Consumes a given Unicode character */
- if (unlikely(c != xml_get_char(ctx)))
- xml_fatal_expected(ctx, c);
-}
-
-static inline void xml_parse_seq(struct xml_context *ctx, const char *seq)
-{
- /* Consumes a given sequence of ASCII characters */
- while (*seq)
- xml_parse_char(ctx, *seq++);
-}
-
-void xml_parse_eq(struct xml_context *ctx);
-
-static inline uint xml_parse_quote(struct xml_context *ctx)
-{
- /* "'" | '"' */
- uint c = xml_get_char(ctx);
- if (unlikely(c != '\'' && c != '\"'))
- xml_fatal_expected_quot(ctx);
- return c;
-}
-
-char *xml_parse_name(struct xml_context *ctx, struct mempool *pool);
-void xml_skip_name(struct xml_context *ctx);
-char *xml_parse_nmtoken(struct xml_context *ctx, struct mempool *pool);
-
-char *xml_parse_system_literal(struct xml_context *ctx, struct mempool *pool);
-char *xml_parse_pubid_literal(struct xml_context *ctx, struct mempool *pool);
-
-uint xml_parse_char_ref(struct xml_context *ctx);
-void xml_parse_pe_ref(struct xml_context *ctx);
-
-char *xml_parse_attr_value(struct xml_context *ctx, struct xml_dtd_attr *attr);
-
-void xml_skip_internal_subset(struct xml_context *ctx);
-void xml_parse_notation_decl(struct xml_context *ctx);
-void xml_parse_entity_decl(struct xml_context *ctx);
-void xml_parse_element_decl(struct xml_context *ctx);
-void xml_parse_attr_list_decl(struct xml_context *ctx);
-
-void xml_push_comment(struct xml_context *ctx);
-void xml_pop_comment(struct xml_context *ctx);
-void xml_skip_comment(struct xml_context *ctx);
-
-void xml_push_pi(struct xml_context *ctx);
-void xml_pop_pi(struct xml_context *ctx);
-void xml_skip_pi(struct xml_context *ctx);
-
-void xml_attrs_table_init(struct xml_context *ctx);
-void xml_attrs_table_cleanup(struct xml_context *ctx);
-
-void xml_validate_attr(struct xml_context *ctx, struct xml_dtd_attr *dtd, char *value);
-
-#endif
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