From 9acd91d41469ed4024e3a8aa85ef1fb2eec909bd Mon Sep 17 00:00:00 2001 From: Danny van Kooten Date: Thu, 12 Mar 2020 16:41:28 +0100 Subject: dot notation in hashmaps --- src/template.c | 36 +++++++++++++++++++++++++++++------- 1 file changed, 29 insertions(+), 7 deletions(-) (limited to 'src') diff --git a/src/template.c b/src/template.c index e5296c8..db0128d 100644 --- a/src/template.c +++ b/src/template.c @@ -27,10 +27,26 @@ char *read_file(char *filename) { } int eval(char *dest, mpc_ast_t* t, struct hashmap *ctx) { - printf("%s: %s\n", t->tag, t->contents); - if (strstr(t->tag, "content|var")) { - char *value = (char *) hashmap_get(ctx, t->children[1]->contents); + char *value = NULL; + + // TODO: Optimize this so we can use it for 1..n keys + if (t->children[1]->children_num == 0) { + char *key = t->children[1]->contents; + value = hashmap_get(ctx, key); + } else { + char *key = t->children[1]->children[0]->contents; + ctx = hashmap_get(ctx, key); + if (ctx == NULL) { + // TODO: Handle unexisting keys + return 1; + } + + char *subkey = t->children[1]->children[2]->contents; + value = hashmap_get(ctx, subkey); + } + + // TODO: Handle unexisting keys if (value == NULL) { return 1; } @@ -40,6 +56,7 @@ int eval(char *dest, mpc_ast_t* t, struct hashmap *ctx) { if (strstr(t->tag, "content|for")) { char *tmp_key = t->children[2]->contents; + // TODO: Handle dot notation here. char *iterator_key = t->children[4]->contents; struct vector *list = hashmap_get(ctx, iterator_key); for (int i=0; i < list->size; i++) { @@ -63,6 +80,7 @@ int eval(char *dest, mpc_ast_t* t, struct hashmap *ctx) { mpc_parser_t *parser_init() { mpc_parser_t *Symbol = mpc_new("symbol"); + mpc_parser_t *Symbols = mpc_new("symbols"); 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"); @@ -74,18 +92,19 @@ mpc_parser_t *parser_init() { mpc_parser_t *Content = mpc_new("content"); mpc_parser_t *Template = mpc_new("template"); mpca_lang(MPCA_LANG_WHITESPACE_SENSITIVE, - " symbol : /[a-zA-Z._]+/ ;" + " symbol : /[a-zA-Z_]+/ ;" + " symbols : \".\"?? ;" " var_open : /\{{2} ?/ ;" " var_close : / ?}{2}/ ;" - " var : ;" + " var : ;" " block_open: /\{\% ?/ ;" " block_close: / ?\%}/ ;" - " for : \"for \" \" in \" \"endfor\" ;" + " for : \"for \" \" in \" \"endfor\" ;" " text : /[^{][^{%]*/ ;" " content : | | ;" " body : * ;" " template : /^/ /$/ ;", - Symbol, Var_Open, Var_Close, Var, Block_Open, Block_Close, For, Text, Content, Body, Template, NULL); + Symbol, Symbols, Var_Open, Var_Close, Var, Block_Open, Block_Close, For, Text, Content, Body, Template, NULL); return Template; } @@ -99,7 +118,10 @@ char *template(char *tmpl, struct hashmap *ctx) { return NULL; } + printf("Template: %s\n", tmpl); + printf("AST: "); mpc_ast_print(r.output); + printf("\n"); // FIXME: Allocate precisely char *output = malloc(strlen(tmpl) * 2); -- cgit v1.2.3