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-rw-r--r--src/hashmap.c74
-rw-r--r--src/hashmap.h10
-rw-r--r--src/hyde.c142
3 files changed, 226 insertions, 0 deletions
diff --git a/src/hashmap.c b/src/hashmap.c
new file mode 100644
index 0000000..3d9edd0
--- /dev/null
+++ b/src/hashmap.c
@@ -0,0 +1,74 @@
+#include <string.h>
+#include <stdlib.h>
+#include <err.h>
+#include "hashmap.h"
+
+struct node {
+ char *key;
+ void *value;
+ struct node *next;
+};
+
+struct hashmap *hashmap_new() {
+ struct hashmap *hm = malloc(sizeof *hm);
+ if (!hm) err(EXIT_FAILURE, "out of memory");
+ for (int i=0; i < 26; i++) {
+ hm->buckets[i] = NULL;
+ }
+
+ return hm;
+}
+
+void hashmap_insert(struct hashmap *hm, char *key, void *value) {
+ int pos = (key[0] - 'a') % 26;
+ struct node *head = hm->buckets[pos];
+ struct node *node = head;
+
+ while (node) {
+ if (strcmp(node->key, key) == 0) {
+ node->value = value;
+ return;
+ }
+ node = node->next;
+ }
+
+ node = malloc(sizeof *node);
+ node->key = key;
+ node->value = value;
+ node->next = head;
+ hm->buckets[pos] = node;
+}
+
+void *hashmap_get(struct hashmap *hm, char *key) {
+ int pos = (key[0] - 'a') % 26;
+ struct node *node = hm->buckets[pos];
+ while (node) {
+ if (strcmp(node->key, key) == 0) {
+ return node->value;
+ }
+
+ node = node->next;
+ }
+
+ return NULL;
+}
+
+void hashmap_remove(char *key) {
+
+}
+
+void hashmap_free(struct hashmap *hm) {
+ struct node *node;
+ struct node *next;
+
+ for (int i=0; i < 26; i++) {
+ node = hm->buckets[i];
+ while (node) {
+ next = node->next;
+ free(node);
+ node = next;
+ }
+ }
+
+ free(hm);
+} \ No newline at end of file
diff --git a/src/hashmap.h b/src/hashmap.h
new file mode 100644
index 0000000..a37d3d6
--- /dev/null
+++ b/src/hashmap.h
@@ -0,0 +1,10 @@
+
+struct hashmap {
+ struct node *buckets[26];
+};
+
+void hashmap_insert(struct hashmap *hm, char *key, void *value);
+void *hashmap_get(struct hashmap *hm, char *key);
+void hashmap_remove(char *key);
+struct hashmap *hashmap_new();
+void hashmap_free(struct hashmap *hm); \ No newline at end of file
diff --git a/src/hyde.c b/src/hyde.c
new file mode 100644
index 0000000..332ddab
--- /dev/null
+++ b/src/hyde.c
@@ -0,0 +1,142 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include "vendor/mpc.h"
+#include "hashmap.h"
+
+
+struct post {
+ char title[64];
+ char tags[8][32];
+};
+
+char *read_file(char *filename) {
+ char *input = malloc(BUFSIZ);
+ unsigned int size = 0;
+
+ FILE *f = fopen(filename, "r");
+ if (!f) {
+ printf("Could not open \"%s\" for reading", filename);
+ exit(1);
+ }
+
+ unsigned int read = 0;
+ while ( (read = fread(input, 1, BUFSIZ, f)) > 0) {
+ size += read;
+ input = realloc(input, size + BUFSIZ);
+ }
+
+ fclose(f);
+
+ input[size] = '\0';
+ return input;
+}
+
+int eval(char *dest, mpc_ast_t* t, struct hashmap *ctx) {
+ printf("%s: %s\n", t->tag, t->contents);
+
+ if (strstr(t->tag, "content|text")) {
+ strcat(dest, t->contents);
+ return 0;
+ }
+
+ if (strstr(t->tag, "content|var")) {
+ printf("Key: %s\n", t->contents);
+ char *value = hashmap_get(ctx, t->children[1]->contents);
+ if (value == NULL) {
+ return 1;
+ }
+ strcat(dest, value);
+ return 0;
+ }
+
+ if (strstr(t->tag, "content|for")) {
+ char *tmp_key = t->children[2]->contents;
+ char *iterator_key = t->children[4]->contents;
+ // TODO: Make this dynamic
+ struct post **posts = hashmap_get(ctx, iterator_key);
+ for (int i=0; i < 2; i++) {
+ hashmap_insert(ctx, tmp_key, posts[i]);
+ eval(dest, t->children[6], ctx);
+ }
+ return 0;
+ }
+
+ for (int i=0; i < t->children_num; i++) {
+ eval(dest, t->children[i], ctx);
+ }
+
+ return 0;
+}
+
+mpc_parser_t *parser_init() {
+ mpc_parser_t *Symbol = mpc_new("symbol");
+ mpc_parser_t *Text = mpc_new("text");
+ mpc_parser_t *Var_Open = mpc_new("var_open");
+ mpc_parser_t *Var_Close = mpc_new("var_close");
+ mpc_parser_t *Var = mpc_new("var");
+ mpc_parser_t *Block_Open = mpc_new("block_open");
+ mpc_parser_t *Block_Close = mpc_new("block_close");
+ mpc_parser_t *For = mpc_new("for");
+ mpc_parser_t *Content = mpc_new("content");
+ mpc_parser_t *Template = mpc_new("template");
+ mpca_lang(MPCA_LANG_WHITESPACE_SENSITIVE,
+ " symbol : /[a-zA-Z._]+/ ;"
+ " var_open : /\{{2} ?/ ;"
+ " var_close : / ?}{2}/ ;"
+ " var : <var_open> <symbol> <var_close> ;"
+ " block_open: /\{\% ?/ ;"
+ " block_close: / ?\%}/ ;"
+ " for : <block_open> \"for \" <symbol> \" in \" <symbol> <block_close> <content>* <block_open> \"endfor\" <block_close> ;"
+ " text : /[^{][^{%]*/ ;"
+ " content : <var> | <for> | <text>;"
+ " template : /^/ <content>* /$/ ;",
+ Symbol, Var_Open, Var_Close, Var, Block_Open, Block_Close, For, Text, Content, Template, NULL);
+ return Template;
+}
+
+void template(char *tmpl, struct hashmap *ctx) {
+ mpc_parser_t *parser = parser_init();
+ mpc_result_t r;
+
+ if (mpc_parse("input", tmpl, parser, &r)) {
+ mpc_ast_print(r.output);
+
+ // FIXME: Allocate precisely
+ char *output = malloc(strlen(tmpl) * 2);
+ output[0] = '\0';
+ eval(output, r.output, ctx);
+ printf("Template: \n%s", output);
+
+ mpc_ast_delete(r.output);
+ free(output);
+ } else {
+ mpc_err_print(r.error);
+ mpc_err_delete(r.error);
+ }
+}
+
+
+int main() {
+ char *input = read_file("index.tpl");
+
+ struct hashmap *ctx = hashmap_new();
+ hashmap_insert(ctx, "title", "Hello world");
+
+ struct post home = {
+ .title = "Homepage",
+ .tags = {
+ "Tag 1", "Tag 2"
+ }
+ };
+ hashmap_insert(ctx, "home", &home);
+
+ struct post posts[] = {
+ { .title = "Post 1", .tags = { "p1t1" } },
+ { .title = "Post 2", .tags = { "p2t1" } },
+ };
+ hashmap_insert(ctx, "posts", &posts);
+
+ template(input, ctx);
+ hashmap_free(ctx);
+ free(input);
+} \ No newline at end of file
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