From: hgn <hgodden00@gmail.com>
Date: Sat, 12 Jul 2025 14:30:05 +0000 (+0000)
Subject: some kv/msg stuff
X-Git-Url: https://harrygodden.com/git/?a=commitdiff_plain;h=24300b1d0314102bacd51f3123a4e5fee54852eb;p=vg.git

some kv/msg stuff
---

diff --git a/vg_msg.c b/vg_msg.c
index 54ce922..76d96be 100644
--- a/vg_msg.c
+++ b/vg_msg.c
@@ -1,6 +1,7 @@
 #include "vg_msg.h"
 #include "vg_platform.h"
 #include "vg_string.h"
+#include "vg_kv.h"
 #include <string.h>
 #include <stdio.h>
 
@@ -257,7 +258,7 @@ u64 vg_msg_cast_to_u64( const void *src, u8 src_base, u8 src_size )
 {
    if( src_base == k_vg_msg_float )
    {
-      retrun (u64)vg_msg_cast_to_f64( src, src_base, src_size );
+      return (u64)vg_msg_cast_to_f64( src, src_base, src_size );
    }
    else 
    {
@@ -274,7 +275,7 @@ i64 vg_msg_cast_to_i64( const void *src, u8 src_base, u8 src_size )
 {
    if( src_base == k_vg_msg_float )
    {
-      retrun (i64)vg_msg_cast_to_f64( src, src_base, src_size );
+      return (i64)vg_msg_cast_to_f64( src, src_base, src_size );
    }
    else 
    {
@@ -303,7 +304,7 @@ f64 vg_msg_cast_to_f64( const void *src, u8 src_base, u8 src_size )
       {
          f32 a = 0;
          memcpy( &a, src, sizeof(a) );
-         return (f64);
+         return (f64)a;
       }
       else if( src_size == 8 ) 
       {
@@ -508,3 +509,75 @@ void vg_msg_print( vg_msg *msg, u32 len )
       }
    }
 }
+
+void vg_kvs_append_from_legacy_msg2( vg_kvs *kvs, u32 root, void *buffer, u32 len, vg_stack_allocator *stack )
+{
+   vg_msg b;
+   vg_msg_init( &b, buffer, len );
+
+   u32 frame_stack[ 16 ];
+   u32 frame_depth = 0;
+   frame_stack[0] = root;
+
+   vg_msg_cmd cmd;
+   while( vg_msg_next( &b, &cmd ) )
+   {
+      if( cmd.code == k_vg_msg_frame )
+      {
+         VG_ASSERT( frame_depth < VG_ARRAY_LEN(frame_stack) );
+         u32 next = vg_kv_append( kvs, frame_stack[frame_depth++], cmd.key, NULL );
+      }
+      else 
+      {
+         if( cmd.code == k_vg_msg_endframe )
+         {
+            VG_ASSERT( frame_depth );
+            frame_depth --;
+         }
+         else if( cmd.code == k_vg_msg_kvstring )
+         {
+            vg_kv_append( kvs, frame_stack[frame_depth], cmd.key, cmd.value );
+         }
+         else if( cmd.code == k_vg_msg_kvbin )
+         {
+            vg_warn( "Unsupported legacy kv code: binary blob.\n" );
+         }
+         else 
+         {
+            u32 base = cmd.code & k_vg_msg_type_base_bits,
+                count = vg_msg_cmd_array_count( cmd.code ),
+                size = vg_msg_cmd_type_size( cmd.code );
+            c8 formatted[ 1024 ];
+            formatted[0] = '\0';
+            for( u32 i=0; i<count; i++ )
+            {
+               const c8 *end = (i+1==count)?"":" ";
+               const void *p = cmd.value + size*i;
+               if( base == k_vg_msg_unsigned )
+               {
+                  snprintf( formatted, 1024, "%s"
+#ifdef _WIN32
+                  "%llu%s"
+#else
+                  "%lu%s"
+#endif
+                  , formatted, vg_msg_cast_to_u64( p, base, size ), end );
+               }
+               else if( base == k_vg_msg_signed )
+               {
+                  snprintf( formatted, 1024, "%s"
+#ifdef _WIN32
+                  "%lld%s"
+#else
+                  "%ld%s"
+#endif
+                  , formatted, vg_msg_cast_to_i64( p, base, size ), end );
+               }
+               else 
+                  snprintf( formatted, 1024, "%s%f%s", formatted, vg_msg_cast_to_f64( p, base, size ), end );
+            }
+            vg_kv_append( kvs, frame_stack[frame_depth], cmd.key, formatted );
+         }
+      }
+   }
+}
diff --git a/vg_msg.h b/vg_msg.h
index 83d5105..5f48586 100644
--- a/vg_msg.h
+++ b/vg_msg.h
@@ -195,3 +195,6 @@ const char *vg_msg_getkvstr( vg_msg *msg, const char *key );
 int vg_msg_getkvvecf( vg_msg *msg, const char *key, u8 type, 
                       void *v, void *default_value );
 void vg_msg_print( vg_msg *msg, u32 len );
+
+#include "vg_kv.h"
+void vg_kvs_append_from_legacy_msg2( vg_kvs *kvs, u32 root, void *buffer, u32 len, vg_stack_allocator *stack );
diff --git a/vg_string.c b/vg_string.c
index 48d58c6..d385ef1 100644
--- a/vg_string.c
+++ b/vg_string.c
@@ -243,18 +243,16 @@ void vg_strcatf( vg_str *str, const char *fmt, ... )
    va_end( args );
 }
 
-u32 vg_strdjb2( const char *str )
+u32 vg_strdjb2( const c8 *str )
 {
    u32 hash = 5381, c;
-
    if( str )
       while( (c = *str++) )
          hash = ((hash << 5) + hash) + c; /* hash * 33 + c */
-
    return hash;
 }
 
-int vg_strdjb2_eq( const char *s1, u32 h1, const char *s2, u32 h2 )
+bool vg_strdjb2_eq( const char *s1, u32 h1, const char *s2, u32 h2 )
 {
    if( h1 == h2 )
    {
@@ -323,3 +321,173 @@ u32 str_utf8_collapse( const char *str, char *buf, u32 length )
    buf[j] = 0x00;
    return j;
 }
+
+
+
+
+
+
+const c8 *vg_strp_info_str[] = 
+{
+   [k_vg_strp_ok] = "ok",
+   [k_vg_strp_eof] = "eof",
+   [k_vg_strp_error] = "error",
+   [k_vg_strp_whitespace] = "whitespace"
+};
+
+static vg_strp_info vg_strp_char( vg_strp *p, c8 *c )
+{
+   *c = 0;
+   if( p->buffer == NULL ) 
+      return k_vg_strp_eof;
+
+   *c = *p->buffer;
+   if( *c == '\0' )
+   {
+      p->buffer = NULL;
+      return k_vg_strp_eof;
+   }
+   p->buffer ++;
+
+   if( *c == '\t' || *c == '\n' || *c == ' ' || *c == '\r' )
+      return k_vg_strp_whitespace;
+   else 
+      return k_vg_strp_ok;
+}
+
+vg_strp_info vg_strp_u64( vg_strp *p, u64 *value )
+{
+   c8 c;
+   vg_strp_info info = k_vg_strp_whitespace;
+   while( info == k_vg_strp_whitespace )
+      info = vg_strp_char( p, &c );
+
+   u64 result = 0;
+   bool got = 0;
+   while( info == k_vg_strp_ok )
+   {
+      if( c >= '0' && c <= '9' )
+      {
+         result = result*10 + ((u64)c - (u64)'0');
+         got = 1;
+      }
+      else 
+         goto err;
+      info = vg_strp_char( p, &c );
+   }
+   info = k_vg_strp_ok;
+   goto ok;
+   
+   err: while( info == k_vg_strp_ok )
+      info = vg_strp_char( p, &c );
+   info = k_vg_strp_error;
+
+   ok: *value = result;
+   return got? info: k_vg_strp_eof;
+}
+
+vg_strp_info vg_strp_i64( vg_strp *p, i64 *value )
+{
+   c8 c;
+   vg_strp_info info = k_vg_strp_whitespace;
+   while( info == k_vg_strp_whitespace )
+      info = vg_strp_char( p, &c );
+
+   i64 result = 0,
+       sign   = 1;
+
+   if( c == '+' || c == '-' )
+   {
+      if( c == '-' )
+         sign = -1;
+      info = vg_strp_char( p, &c );
+   }
+
+   bool got = 0;
+   while( info == k_vg_strp_ok )
+   {
+      if( c >= '0' && c <= '9' )
+      {
+         result = result*10 + ((i64)c - (i64)'0');
+         got = 1;
+      }
+      else 
+         goto err;
+
+      info = vg_strp_char( p, &c );
+   }
+   info = k_vg_strp_ok;
+   goto ok;
+   
+   err: while( info == k_vg_strp_ok )
+      info = vg_strp_char( p, &c );
+   info = k_vg_strp_error;
+
+   ok: *value = result*sign;
+   return got? info: k_vg_strp_eof;
+}
+
+vg_strp_info vg_strp_f64( vg_strp *p, f64 *value )
+{
+   c8 c;
+   vg_strp_info info = k_vg_strp_whitespace;
+   while( info == k_vg_strp_whitespace )
+      info = vg_strp_char( p, &c );
+
+   i64 result = 0,
+       resultm= 0;
+   u32 dp = 0;
+   f64 sign = 1.0;
+
+   if( c == '+' || c == '-' )
+   {
+      if( c == '-' )
+         sign = -1.0;
+      info = vg_strp_char( p, &c );
+   }
+
+   bool got = 0, got_decimal = 0;
+   while( info == k_vg_strp_ok )
+   {
+      if( c == '.' )
+      {
+         if( got_decimal ) 
+            goto err;
+         resultm = result;
+         result = 0;
+         got_decimal = 1;
+         dp = 0;
+      }
+      else if( c >= '0' && c <= '9' )
+      {
+         result = result*10 + ((i64)c - (i64)'0');
+         got = 1;
+         dp ++;
+      }
+      else 
+         goto err;
+      info = vg_strp_char( p, &c );
+   }
+
+   info = k_vg_strp_ok;
+   goto ok;
+   
+   err: while( info == k_vg_strp_ok )
+      info = vg_strp_char( p, &c );
+   info = k_vg_strp_error;
+
+   ok:;
+   f64 int_part = 0.0, decimal_part = 0.0;
+
+   if( got_decimal )
+   {
+      decimal_part = (f64)result;
+      for( u32 i=0; i<dp; i ++ )
+         decimal_part /= 10.0;
+      int_part = resultm;
+   }
+   else int_part = result;
+
+   *value = (f64)sign * (int_part + decimal_part);
+   return (got||got_decimal)? info: k_vg_strp_eof;
+}
diff --git a/vg_string.h b/vg_string.h
index bb72ff9..bc85142 100644
--- a/vg_string.h
+++ b/vg_string.h
@@ -62,7 +62,7 @@ enum strncpy_behaviour
 
 u32 vg_strncpy( const char *src, char *dst, u32 len, enum strncpy_behaviour behaviour );
 u32 vg_strdjb2( const char *str );
-int vg_strdjb2_eq( const char *s1, u32 h1, const char *s2, u32 h2 );
+bool vg_strdjb2_eq( const char *s1, u32 h1, const char *s2, u32 h2 );
 
 #define VG_STRDJB2_EQ( CS1, S2, H2 ) \
    vg_strdjb2_eq( CS1, vg_strdjb2(CS1), S2, H2 )
@@ -71,3 +71,25 @@ bool vg_str_eq( const char *s1, const char *s2 );
 bool vg_str_flushfd( vg_str *str, int fd );
 
 u32 str_utf8_collapse( const char *str, char *buf, u32 length );
+
+typedef struct vg_strp vg_strp;
+struct vg_strp
+{
+   const c8 *buffer;
+};
+
+typedef enum vg_strp_info vg_strp_info;
+enum vg_strp_info
+{
+   k_vg_strp_ok,
+   k_vg_strp_eof,
+   k_vg_strp_error,
+   k_vg_strp_whitespace
+};
+
+vg_strp_info vg_strp_i64( vg_strp *p, i64 *value );
+vg_strp_info vg_strp_u64( vg_strp *p, u64 *value );
+vg_strp_info vg_strp_f64( vg_strp *p, f64 *value );
+extern const c8 *vg_strp_info_str[];
+
+void vg_strcatf64( vg_str *str, f64 value, u32 decimals );