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Created a bunch of convenience functions in db_ (1 of 2)

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This commit is contained in:
Craig Williams
2020-10-08 12:32:07 +01:00
parent 83a9093d97
commit e0d0515188
6 changed files with 257 additions and 95 deletions
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49
src/db_where-builder_p.c
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@@ -4,6 +4,29 @@
#include "db_where-builder_p.h"
void do_compileWhereBuilder_sb(where_builder *wb, str_builder *sb, int free_wb)
{
switch(wb->logic_type) {
case CLAUSE:
{
compileWhere_sb((where_clause *)wb, sb);
break;
}
case OR:
case AND:
{
compileLogic_sb((where_logic *)wb, sb);
break;
}
default:
{
break;
}
}
if (free_wb) {
freeWhereBuilder(&wb);
}
}
where_logic *createLogic(e_where_logic type, size_t initial_size)
{
@@ -32,18 +55,6 @@ where_logic *createLogic(e_where_logic type, size_t initial_size)
return logic;
}
int compileLogic(where_logic *logic, char **str, size_t *str_len)
{
struct str_builder_t *sb;
if ((sb = strbld_create()) == 0) {
return -1;
}
compileLogic_sb(logic, sb);
return strbld_finalize_or_destroy(&sb, str, str_len);
}
void compileLogic_sb(where_logic *logic, str_builder *sb)
{
if (logic->n_clauses == 0) {
@@ -52,7 +63,7 @@ void compileLogic_sb(where_logic *logic, str_builder *sb)
strbld_char(sb, '(');
for (size_t i = 0; i < logic->n_clauses; i++) {
compileWhereBuilder_sb(logic->clauses[i], sb, 0);
do_compileWhereBuilder_sb(logic->clauses[i], sb, 0);
if (i < (logic->n_clauses - 1)) {
if (logic->logic_type == OR) {
strbld_str(sb, " OR ", 4);
@@ -154,18 +165,6 @@ where_clause *createWhere(const char *tbl, const char *col, e_where_op op)
return clause;
}
int compileWhere(where_clause *clause, char **str, size_t *str_len)
{
struct str_builder_t *sb;
if ((sb = strbld_create()) == 0) {
return -1;
}
compileWhere_sb(clause, sb);
return strbld_finalize_or_destroy(&sb, str, str_len);
}
void compileWhere_sb(where_clause *clause, str_builder *sb)
{
size_t idx;