From 5db008dbd2084d90631b567ed5320566aa76b41c Mon Sep 17 00:00:00 2001
From: Bruce Hill <bruce@bruce-hill.com>
Date: Sun, 23 Oct 2022 00:15:49 -0400
Subject: Better JSON printing and fixed issue with numbered captures

---
 json.c | 49 ++++++++++++++++++++++++++++++++++++-------------
 1 file changed, 36 insertions(+), 13 deletions(-)

(limited to 'json.c')

diff --git a/json.c b/json.c
index 297aa30..e3731d5 100644
--- a/json.c
+++ b/json.c
@@ -16,24 +16,47 @@ static int _json_match(const char *text, match_t *m, int comma, bool verbose);
 //
 static int _json_match(const char *text, match_t *m, int comma, bool verbose)
 {
-    if (comma) printf(",\n");
-    comma = 0;
-    printf("{\"rule\":\"");
-    for (const char *c = m->pat->start; c < m->pat->end; c++) {
-        switch (*c) {
-        case '"': printf("\\\""); break;
-        case '\\': printf("\\\\"); break;
-        case '\t': printf("\\t"); break;
-        case '\n': printf("↵"); break;
-        default: printf("%c", *c); break;
+    if (!verbose && m->pat->type != BP_TAGGED) {
+        if (m->children) {
+            for (int i = 0; m->children && m->children[i]; i++)
+                comma |= _json_match(text, m->children[i], comma, verbose);
         }
+        return comma;
     }
-    printf("\",\"range\":[%ld,%ld]", m->start - text, m->end - text);
 
+    if (comma) printf(",\n");
+    comma = 0;
+    printf("{");
     if (m->pat->type == BP_TAGGED)
-        printf(",\"tag\":\"%.*s\"", (int)m->pat->args.capture.namelen, m->pat->args.capture.name);
+        printf("\"tag\":\"%.*s\"", (int)m->pat->args.capture.namelen, m->pat->args.capture.name);
+    if (verbose) {
+        printf(",\"rule\":\"");
+        for (const char *c = m->pat->start; c < m->pat->end; c++) {
+            switch (*c) {
+            case '"': printf("\\\""); break;
+            case '\\': printf("\\\\"); break;
+            case '\t': printf("\\t"); break;
+            case '\n': printf("↵"); break;
+            default: printf("%c", *c); break;
+            }
+        }
+        printf("\",");
+        printf("\"range\":[%ld,%ld]", m->start - text, m->end - text);
+    } else {
+        printf(",\"text\":\"");
+        for (const char *c = m->start; c < m->end; c++) {
+            switch (*c) {
+            case '"': printf("\\\""); break;
+            case '\\': printf("\\\\"); break;
+            case '\t': printf("\\t"); break;
+            case '\n': printf("↵"); break;
+            default: printf("%c", *c); break;
+            }
+        }
+        printf("\"");
+    }
 
-    if (m->children && (verbose || m->pat->type != BP_REF)) {
+    if (m->children) {
         printf(",\"children\":[");
         for (int i = 0; m->children && m->children[i]; i++)
             comma |= _json_match(text, m->children[i], comma, verbose);
-- 
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