From 907004a179d476481da9f613cccdabb5cca306ac Mon Sep 17 00:00:00 2001
From: Paul Duncan <pabs@pablotron.org>
Date: Fri, 26 Aug 2016 21:50:23 -0400
Subject: add fhp_strtoken()

---
 fhp.c             | 47 +++++++++++++++++++++++++++++++++++++++++++++++
 include/fhp/fhp.h | 29 ++++++++++++++++-------------
 2 files changed, 63 insertions(+), 13 deletions(-)

diff --git a/fhp.c b/fhp.c
index da48f0a..237345b 100644
--- a/fhp.c
+++ b/fhp.c
@@ -131,6 +131,53 @@ fhp_strerror(
   return FHP_OK;
 }
 
+static const char *
+fhp_tokens[] = {
+  "METHOD_START",
+  "METHOD_FRAGMENT",
+  "METHOD_END",
+
+  "URL_START",
+  "URL_FRAGMENT",
+  "URL_END",
+
+  "VERSION_START",
+  "VERSION_FRAGMENT",
+  "VERSION_END",
+
+  "HEADER_NAME_START",
+  "HEADER_NAME_FRAGMENT",
+  "HEADER_NAME_END",
+
+  "HEADER_VALUE_START",
+  "HEADER_VALUE_FRAGMENT",
+  "HEADER_VALUE_END",
+
+  "LAST"
+};
+
+fhp_err_t
+fhp_strtoken(
+  fhp_token_t token,
+  char * const buf,
+  size_t len
+) {
+  // check token code
+  if (token >= FHP_TOKEN_LAST)
+    return FHP_ERR_INVALID_ERROR;
+
+  // check buffer size
+  size_t str_len = strlen(fhp_tokens[token]) + 1;
+  if (len < str_len)
+    return FHP_ERR_BUFFER_TOO_SMALL;
+
+  // copy string
+  memcpy(buf, fhp_tokens[token], str_len);
+
+  // return success
+  return FHP_OK;
+}
+
 static fhp_t DEFAULT_CONTEXT = {
   .state = FHP_STATE_INIT,
   .user_data = NULL,
diff --git a/include/fhp/fhp.h b/include/fhp/fhp.h
index 4a54e3c..3b7e280 100644
--- a/include/fhp/fhp.h
+++ b/include/fhp/fhp.h
@@ -5,6 +5,19 @@
 #include <stddef.h> // for size_t
 #include <stdbool.h> // for size_t
 
+typedef enum {
+  FHP_OK,
+  FHP_ERR_CB,
+  FHP_ERR_BAD_STATE,
+  FHP_ERR_INVALID_CHAR,
+  FHP_ERR_INVALID_ERROR,
+  FHP_ERR_BUFFER_TOO_SMALL,
+  FHP_ERR_LAST
+} fhp_err_t;
+
+fhp_err_t
+fhp_strerror(fhp_err_t, char * const, size_t);
+
 typedef enum {
   FHP_TOKEN_METHOD_START,
   FHP_TOKEN_METHOD_FRAGMENT,
@@ -29,6 +42,9 @@ typedef enum {
   FHP_TOKEN_LAST
 } fhp_token_t;
 
+fhp_err_t
+fhp_strtoken(fhp_token_t, char * const, size_t);
+
 typedef struct fhp_t_ fhp_t;
 
 typedef bool (*fhp_cb_t)(
@@ -61,19 +77,6 @@ typedef enum {
   FHP_STATE_LAST
 } fhp_state_t;
 
-typedef enum {
-  FHP_OK,
-  FHP_ERR_CB,
-  FHP_ERR_BAD_STATE,
-  FHP_ERR_INVALID_CHAR,
-  FHP_ERR_INVALID_ERROR,
-  FHP_ERR_BUFFER_TOO_SMALL,
-  FHP_ERR_LAST
-} fhp_err_t;
-
-fhp_err_t
-fhp_strerror(fhp_err_t, char * const, size_t);
-
 #define FHP_BUF_SIZE 1024
 
 struct fhp_t_ {
-- 
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