X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flanguage%2Fxforms%2Frecode.c;h=62b03ba073b9a5f6f6a1c5b282d9c26b0ce286b9;hb=a5097a183f00ab2d2dc538ba7094a4696e2fea04;hp=e2074823f9df4185aa9db4bcd29a6c6615e25bd3;hpb=deb4fd96c0c171fc8eb64f7f1e7f5c2af4931416;p=pspp-builds.git diff --git a/src/language/xforms/recode.c b/src/language/xforms/recode.c index e2074823..62b03ba0 100644 --- a/src/language/xforms/recode.c +++ b/src/language/xforms/recode.c @@ -29,8 +29,8 @@ #include #include #include +#include #include -#include #include #include #include @@ -55,25 +55,18 @@ enum map_in_type MAP_CONVERT /* "123" => 123. */ }; -/* A value involved in a RECODE mapping. */ -union recode_value - { - double f; /* Numeric. */ - char *c; /* Short or long string. */ - }; - /* Describes input values to be mapped. */ struct map_in { enum map_in_type type; /* One of MAP_*. */ - union recode_value x, y; /* Source values. */ + union value x, y; /* Source values. */ }; /* Describes the value used as output from a mapping. */ struct map_out { bool copy_input; /* If true, copy input to output. */ - union recode_value value; /* If copy_input false, recoded value. */ + union value value; /* If copy_input false, recoded value. */ int width; /* If copy_input false, output value width. */ }; @@ -90,6 +83,8 @@ struct recode_trns { struct pool *pool; + + /* Variable types, for convenience. */ enum val_type src_type; /* src_vars[*] type. */ enum val_type dst_type; /* dst_vars[*] type. */ @@ -97,12 +92,15 @@ struct recode_trns /* Variables. */ const struct variable **src_vars; /* Source variables. */ const struct variable **dst_vars; /* Destination variables. */ + const struct dictionary *dst_dict; /* Dictionary of dst_vars */ char **dst_names; /* Name of dest variables, if they're new. */ size_t var_cnt; /* Number of variables. */ /* Mappings. */ struct mapping *mappings; /* Value mappings. */ size_t map_cnt; /* Number of mappings. */ + int max_src_width; /* Maximum width of src_vars[*]. */ + int max_dst_width; /* Maximum width of any map_out in mappings. */ }; static bool parse_src_vars (struct lexer *, struct recode_trns *, const struct dictionary *dict); @@ -193,18 +191,17 @@ parse_src_vars (struct lexer *lexer, static bool parse_mappings (struct lexer *lexer, struct recode_trns *trns) { - size_t max_src_width; size_t map_allocated; bool have_dst_type; size_t i; /* Find length of longest source variable. */ - max_src_width = var_get_width (trns->src_vars[0]); + trns->max_src_width = var_get_width (trns->src_vars[0]); for (i = 1; i < trns->var_cnt; i++) { size_t var_width = var_get_width (trns->src_vars[i]); - if (var_width > max_src_width) - max_src_width = var_width; + if (var_width > trns->max_src_width) + trns->max_src_width = var_width; } /* Parse the mappings in parentheses. */ @@ -232,7 +229,7 @@ parse_mappings (struct lexer *lexer, struct recode_trns *trns) struct map_in in; if (!parse_map_in (lexer, &in, trns->pool, - trns->src_type, max_src_width)) + trns->src_type, trns->max_src_width)) return false; add_mapping (trns, &map_allocated, &in); lex_match (lexer, ','); @@ -296,9 +293,7 @@ parse_map_in (struct lexer *lexer, struct map_in *in, struct pool *pool, { if (lex_match_id (lexer, "ELSE")) - { set_map_in_generic (in, MAP_ELSE); - } else if (src_type == VAL_NUMERIC) { if (lex_match_id (lexer, "MISSING")) @@ -376,8 +371,9 @@ set_map_in_str (struct map_in *in, struct pool *pool, const struct string *string, size_t width) { in->type = MAP_SINGLE; - in->x.c = pool_alloc_unaligned (pool, width); - buf_copy_rpad (in->x.c, width, ds_data (string), ds_length (string)); + value_init_pool (pool, &in->x, width); + value_copy_buf_rpad (&in->x, width, + ds_data (string), ds_length (string), ' '); } /* Parses a mapping output value into OUT, allocating memory from @@ -427,9 +423,17 @@ set_map_out_str (struct map_out *out, struct pool *pool, const char *string = ds_data (value); size_t length = ds_length (value); + if (length == 0) + { + /* A length of 0 will yield a numeric value, which is not + what we want. */ + string = " "; + length = 1; + } + out->copy_input = false; - out->value.c = pool_alloc_unaligned (pool, length); - memcpy (out->value.c, string, length); + value_init_pool (pool, &out->value, length); + memcpy (value_str_rw (&out->value, length), string, length); out->width = length; } @@ -514,26 +518,22 @@ parse_dst_vars (struct lexer *lexer, struct recode_trns *trns, static void enlarge_dst_widths (struct recode_trns *trns) { - size_t max_dst_width; size_t i; - max_dst_width = 0; + trns->max_dst_width = 0; for (i = 0; i < trns->var_cnt; i++) { const struct variable *v = trns->dst_vars[i]; - if (var_get_width (v) > max_dst_width) - max_dst_width = var_get_width (v); + if (var_get_width (v) > trns->max_dst_width) + trns->max_dst_width = var_get_width (v); } for (i = 0; i < trns->map_cnt; i++) { struct map_out *out = &trns->mappings[i].out; - if (!out->copy_input && out->width < max_dst_width) - { - char *s = pool_alloc_unaligned (trns->pool, max_dst_width + 1); - buf_copy_rpad (s, max_dst_width + 1, out->value.c, out->width); - out->value.c = s; - } + if (!out->copy_input) + value_resize_pool (trns->pool, &out->value, + out->width, trns->max_dst_width); } } @@ -543,6 +543,8 @@ create_dst_vars (struct recode_trns *trns, struct dictionary *dict) { size_t i; + trns->dst_dict = dict; + for (i = 0; i < trns->var_cnt; i++) { const struct variable **var = &trns->dst_vars[i]; @@ -601,7 +603,8 @@ find_src_numeric (struct recode_trns *trns, double value, const struct variable /* Returns the output mapping in TRNS for an input of VALUE with the given WIDTH, or a null pointer if there is no mapping. */ static const struct map_out * -find_src_string (struct recode_trns *trns, const char *value, const struct variable *src_var) +find_src_string (struct recode_trns *trns, const uint8_t *value, + const struct variable *src_var) { struct mapping *m; int width = var_get_width (src_var); @@ -615,7 +618,8 @@ find_src_string (struct recode_trns *trns, const char *value, const struct varia switch (in->type) { case MAP_SINGLE: - match = !memcmp (value, in->x.c, width); + match = !memcmp (value, value_str (&in->x, trns->max_src_width), + width); break; case MAP_ELSE: match = true; @@ -626,7 +630,7 @@ find_src_string (struct recode_trns *trns, const char *value, const struct varia msg_disable (); match = data_in (ss_buffer (value, width), LEGACY_NATIVE, - FMT_F, 0, 0, 0, &uv, 0); + FMT_F, 0, 0, 0, trns->dst_dict, &uv, 0); msg_enable (); out->value.f = uv.f; break; @@ -657,36 +661,39 @@ recode_trns_proc (void *trns_, struct ccase **c, casenumber case_idx UNUSED) { const struct variable *src_var = trns->src_vars[i]; const struct variable *dst_var = trns->dst_vars[i]; - - const union value *src_data = case_data (*c, src_var); - union value *dst_data = case_data_rw (*c, dst_var); - const struct map_out *out; if (trns->src_type == VAL_NUMERIC) - out = find_src_numeric (trns, src_data->f, src_var); + out = find_src_numeric (trns, case_num (*c, src_var), src_var); else - out = find_src_string (trns, src_data->s, src_var); + out = find_src_string (trns, case_str (*c, src_var), src_var); if (trns->dst_type == VAL_NUMERIC) { + double *dst = &case_data_rw (*c, dst_var)->f; if (out != NULL) - dst_data->f = !out->copy_input ? out->value.f : src_data->f; + *dst = !out->copy_input ? out->value.f : case_num (*c, src_var); else if (trns->src_vars != trns->dst_vars) - dst_data->f = SYSMIS; + *dst = SYSMIS; } else { + char *dst = case_str_rw (*c, dst_var); if (out != NULL) { if (!out->copy_input) - memcpy (dst_data->s, out->value.c, var_get_width (dst_var)); + memcpy (dst, value_str (&out->value, trns->max_dst_width), + var_get_width (dst_var)); else if (trns->src_vars != trns->dst_vars) - buf_copy_rpad (dst_data->s, var_get_width (dst_var), - src_data->s, var_get_width (src_var)); + { + union value *dst_data = case_data_rw (*c, dst_var); + const union value *src_data = case_data (*c, src_var); + value_copy_rpad (dst_data, var_get_width (dst_var), + src_data, var_get_width (src_var), ' '); + } } else if (trns->src_vars != trns->dst_vars) - memset (dst_data->s, ' ', var_get_width (dst_var)); + memset (dst, ' ', var_get_width (dst_var)); } }