2 * Sherlock Library -- A simple XML parser
4 * (c) 2007 Pavel Charvat <pchar@ucw.cz>
6 * This software may be freely distributed and used according to the terms
7 * of the GNU Lesser General Public License.
12 #include "sherlock/sherlock.h"
13 #include "sherlock/xml/xml.h"
14 #include "sherlock/xml/dtd.h"
15 #include "sherlock/xml/internals.h"
16 #include "ucw/stkstring.h"
17 #include "ucw/ff-unicode.h"
21 /*** Error handling ***/
24 xml_throw(struct xml_context *ctx)
26 ASSERT(ctx->err_code && ctx->throw_buf);
27 longjmp(*(jmp_buf *)ctx->throw_buf, ctx->err_code);
31 xml_warn(struct xml_context *ctx, const char *format, ...)
36 va_start(args, format);
37 ctx->err_msg = stk_vprintf(format, args);
38 ctx->err_code = XML_ERR_WARN;
42 ctx->err_code = XML_ERR_OK;
47 xml_error(struct xml_context *ctx, const char *format, ...)
52 va_start(args, format);
53 ctx->err_msg = stk_vprintf(format, args);
54 ctx->err_code = XML_ERR_ERROR;
58 ctx->err_code = XML_ERR_OK;
63 xml_fatal(struct xml_context *ctx, const char *format, ...)
66 va_start(args, format);
67 ctx->err_msg = mp_vprintf(ctx->stack, format, args);
68 ctx->err_code = XML_ERR_FATAL;
69 ctx->state = XML_STATE_EOF;
76 /*** Memory management ***/
79 xml_hash_new(struct mempool *pool, uns size)
81 void *tab = mp_alloc_zero(pool, size + XML_HASH_HDR_SIZE);
83 return tab + XML_HASH_HDR_SIZE;
86 /*** Initialization ***/
88 static struct xml_context xml_defaults = {
89 .flags = XML_SRC_EOF | XML_REPORT_ALL,
90 .state = XML_STATE_START,
91 .h_resolve_entity = xml_def_resolve_entity,
93 .name = "<xml_chars>",
94 .spout = xml_spout_chars,
95 .can_overwrite_buffer = 1,
100 xml_do_init(struct xml_context *ctx)
102 xml_attrs_table_init(ctx);
106 xml_init(struct xml_context *ctx)
109 ctx->pool = mp_new(65536);
110 ctx->stack = mp_new(65536);
116 xml_cleanup(struct xml_context *ctx)
118 TRACE(ctx, "cleanup");
119 xml_attrs_table_cleanup(ctx);
120 xml_dtd_cleanup(ctx);
121 xml_sources_cleanup(ctx);
122 mp_delete(ctx->pool);
123 mp_delete(ctx->stack);
127 xml_reset(struct xml_context *ctx)
130 struct mempool *pool = ctx->pool, *stack = ctx->stack;
131 xml_attrs_table_cleanup(ctx);
132 xml_dtd_cleanup(ctx);
133 xml_sources_cleanup(ctx);