move string function out of openAI.cpp into strops.cpp

1 files changed, 84 insertions, 0 deletions

diff --git a/src/strops.cpp b/src/strops.cpp
index 2c5f0b9..28f9bcc 100644
--- a/src/strops.cpp
+++ b/src/strops.cpp
@@ -14,6 +14,7 @@
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */
 
+#include <stdlib.h>
 #include <string.h>
 #include <ctype.h>
 #include <stdio.h>
@@ -107,4 +108,87 @@ void strops_replace_float(char *buf, size_t buf_size, const char *search, float
     char num_buf[200];
     snprintf(num_buf, 200, "%.*f", decimals, number);
     strops_replace(buf, buf_size, search, num_buf);
+}
+
+char* strops_get_json_value(const char *json, const char *key, char *out, size_t out_size, int skip)
+{
+    char pattern[128];
+    snprintf(pattern, sizeof(pattern), "\"%s\"", key);
+    const char *pos = strstr(json, pattern);
+    while(skip > 0) {
+        pos = strstr(pos+1, pattern);
+        skip--; 
+    }
+    if (!pos) return NULL;
+    pos = strchr(pos, ':');
+    if (!pos) return NULL;
+    pos++;
+
+    // Skip whitespace and quotes
+    while (*pos == ' ' || *pos == '\"') pos++;
+
+    size_t i = 0;
+    while (*pos && !(*pos == '\"' && *(pos-1) != '\\') && i < out_size - 1) {
+        out[i++] = *pos++;
+    }
+    out[i] = '\0';
+    return out;
+}
+
+char* strops_get_filename(const char* path)
+{
+    char* filename = (char*)strrchr(path, '/'); // for Unix-style paths
+    if (filename) return filename + 1;         // skip the '/'
+    filename = (char*)strrchr(path, '\\');     // for Windows-style paths
+    if (filename) return filename + 1;
+    return (char*)path;                               // no slashes found, path itself is filename
+}
+
+char* strops_prep_str_for_json(const char *input, size_t buffer_size)
+{
+    if (!input) return NULL;
+
+    char *result = (char*)malloc(buffer_size * 2 + 1);
+    if (!result) return NULL;
+
+    const char *src = input;
+    char *dst = result;
+
+    while (*src) {
+        if (*src == '"') {
+            *dst++ = '\\';
+            *dst++ = '"';
+        } 
+        else if (*src == '\n') {
+            // empty
+        }
+        else {
+            *dst++ = *src;
+        }
+        src++;
+    }
+    *dst = '\0';
+
+    return result;
+}
+
+char* strops_unprep_str_from_json(char *input)
+{
+    if (!input) return NULL;
+
+    char *src = input;
+    char *dst = input;
+
+    while (*src) {
+        if (*src == '\\' && *(src+1) == '"') {
+            src++;
+        }
+        else if (*src == '\\' && *(src+1) == 'n') {
+            src++;src++;
+        } 
+        *dst++ = *src++;
+    }
+    *dst = '\0';
+
+    return input;
 }
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