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feat!: many work useles with hemar

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This commit is contained in:
yukkop
2025-05-10 11:00:36 +00:00
parent 4db5cc171b
commit 5f52fc42af
10 changed files with 503 additions and 127 deletions
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17
package/c/hemar/default.nix Executable file
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@@ -0,0 +1,17 @@
{ postgresql, pkg-config, patchelf }:
buildPostgresqlExtension { inherit postgresql; } {
pname = "hemar";
version = "0.1";
src = ./.;
nativeBuildInputs = [pkg-config c-hectic];
dontShrinkRPath = true;
postFixup = ''
echo ">>> postFixup running..."
${patchelf}/bin/patchelf --set-rpath ${c-hectic}/lib $out/lib/hemar.so
'';
preInstall = ''mkdir $out'';
};

4
package/c/hemar/hemar--0.1.sql
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@@ -40,7 +40,7 @@ RETURNS void
AS 'hemar', 'pg_test_log_2'
LANGUAGE C STRICT;
CREATE FUNCTION "hemar"."template_parse"(text)
RETURNS void
CREATE FUNCTION "hemar"."parse"("template" text)
RETURNS text
AS 'hemar', 'pg_template_parse'
LANGUAGE C STRICT;

62
package/c/hemar/hemar.c
View File

@@ -14,14 +14,14 @@ PG_MODULE_MAGIC;
#define INIT \
logger_init(); \
logger_level(LOG_LEVEL_TRACE); \
logger_set_file(LOG_FILE); \
logger_set_output_mode(LOG_OUTPUT_BOTH); \
Arena arena = arena_init(MEM_MiB);
#define FREE \
DISPOSABLE_ARENA_FREE; \
arena_free(&arena); \
logger_free();
logger_free();
/* helper function to get a JSON value by key path */
static Json *json_get_by_path(Arena *arena, const Json *context, const char *key_path) {
@@ -66,7 +66,7 @@ static char *json_value_to_string(Arena *arena, const Json *json) {
return "";
case JSON_ARRAY:
case JSON_OBJECT:
return json_to_string(arena, json);
return JSON_TO_STR(arena, json);
default:
return "";
}
@@ -81,7 +81,7 @@ static char *render_text_node(Arena *arena, const TemplateNode *node) {
return "";
}
return node->value.text.content;
return node->value->text.content;
}
/* Render an interpolation node */
@@ -93,7 +93,7 @@ static char *render_interpolation_node(Arena *arena, const TemplateNode *node, c
return "";
}
key = node->value.interpolate.key;
key = node->value->interpolate.key;
value = json_get_by_path(arena, context, key);
if (!value) {
@@ -129,9 +129,9 @@ static char *render_section_node(Arena *arena, const TemplateNode *node, const J
return "";
}
collection_key = node->value.section.collection;
iterator_name = node->value.section.iterator;
body = node->value.section.body;
collection_key = node->value->section.collection;
iterator_name = node->value->section.iterator;
body = node->value->section.body;
collection = json_get_by_path(arena, context, collection_key);
@@ -191,7 +191,7 @@ static char *render_include_node(Arena *arena, const TemplateNode *node, const J
if (!node || node->type != TEMPLATE_NODE_INCLUDE || !context) {
return "";
}
include_key = node->value.include.key;
include_key = node->value->include.key;
include_value = json_get_by_path(arena, context, include_key);
if (!include_value || include_value->type != JSON_ARRAY) {
@@ -213,7 +213,7 @@ static char *render_include_node(Arena *arena, const TemplateNode *node, const J
const char *template_str = template_json->value.string;
const Json *include_context = context_json ? context_json : context;
TemplateConfig config = template_default_config();
TemplateConfig config = template_default_config(arena);
TemplateResult template_result = template_parse(arena, &template_str, &config);
if (!IS_RESULT_ERROR(template_result)) {
@@ -290,19 +290,6 @@ static char *render_template_node(Arena *arena, const TemplateNode *node, const
strcpy(output + output_pos, rendered);
output_pos += rendered_len;
if (current->children) {
char *children_rendered = render_template_node(arena, current->children, context);
size_t children_len = strlen(children_rendered);
if (output_pos + children_len + 1 > buffer_size) {
buffer_size = (output_pos + children_len + 1) * 2;
output = arena_realloc(arena, output, buffer_size / 2, buffer_size);
}
strcpy(output + output_pos, children_rendered);
output_pos += children_len;
}
current = current->next;
}
@@ -338,7 +325,6 @@ Datum pg_render(PG_FUNCTION_ARGS)
TemplateNode root_node;
TemplateResult template_result;
TemplateConfig config;
Json *context;
@@ -349,6 +335,7 @@ Datum pg_render(PG_FUNCTION_ARGS)
/* Parse the JSON context */
const char *json_ptr = context_str;
TemplateConfig config = template_default_config(&arena);
context = json_parse(&arena, &json_ptr);
if (!context) {
@@ -359,7 +346,6 @@ Datum pg_render(PG_FUNCTION_ARGS)
/* Parse the template text */
template_ptr = template_str;
config = template_default_config();
template_result = template_parse(&arena, &template_ptr, &config);
if (IS_RESULT_ERROR(template_result)) {
@@ -411,13 +397,16 @@ PG_FUNCTION_INFO_V1(pg_template_parse);
Datum pg_template_parse(PG_FUNCTION_ARGS) {
INIT;
TemplateConfig config;
text *context_text = PG_GETARG_TEXT_PP(0);
char *content = text_to_cstring(context_text);
const char *template_ptr;
TemplateResult template_result;
TemplateConfig config = template_default_config(&arena);
template_ptr = "{{ name }}";
config = template_default_config();
raise_info("start parsing....");
template_result = template_parse(&arena, &template_ptr, &config);
raise_info("parsing finished....");
if (IS_RESULT_ERROR(template_result)) {
FREE;
@@ -426,9 +415,18 @@ Datum pg_template_parse(PG_FUNCTION_ARGS) {
RESULT_ERROR_MESSAGE(template_result))));
}
const char *json_str = "{\"a\": 1}";
Jsonb *jb = DatumGetJsonbP(DirectFunctionCall1(jsonb_in, CStringGetDatum(json_str)));
const char *json_str = TEMPLATE_NODE_TO_JSON_STR(&arena, &(RESULT_SOME_VALUE(template_result)));
Json *json = json_parse(&arena, &json_str); \
char *result_str = JSON_TO_STR(&arena, json);
raise_notice("%s", result_str);
char *result_str_clone = malloc(strlen(result_str) + 1);
if (result_str_clone) strcpy(result_str_clone, result_str);
FREE;
PG_RETURN_VOID();
}
text *result = cstring_to_text(result_str_clone);
PG_RETURN_TEXT_P(result);
}